NAME
SPVM::Fn - SPVM Starndard Functions
SYNOPSYS
SPVM
use Fn;
my $int8_max = Fn->INT8_MAX();
my $int16_max = Fn->INT16_MAX();
my $int32_max = Fn->INT32_MAX();
my $int64_max = Fn->INT64_MAX();
my $rand = Fn->rand();
# Cut a newline LF
{
my $ret = Fn->chompr("abc\n");
}
# Copy a string
{
my $string = "abc";
my $string_copy = Fn->copy_string ($string);
}
# Search substr
{
my $found_offset = Fn->index("pppabcde", "bcd", 2);
}
# split a string by the specific separator
my $string = "foo,bar,baz";
my $splited_strs = Fn->split(",", $string);
# Copy a byte array
{
my $nums = [(byte)1, 2, 3];
my $nums_copy = Fn->copy_array_byte($nums);
}
# Copy a short array
{
my $nums = [(short)1, 2, 3];
my $nums_copy = Fn->copy_array_short($nums);
}
# Copy a int array
{
my $nums = [1, 2, 3];
my $nums_copy = Fn->copy_array_int($nums);
}
# Copy a long array
{
my $nums = [(long)1, 2, 3];
my $nums_copy = Fn->copy_array_long($nums);
}
# Copy a float array
{
my $nums = [1.5f, 2.5f, 3.5f];
my $nums_copy = Fn->copy_array_float($nums);
}
# Copy a double array
{
my $nums = [1.5, 2.5, 3.5];
my $nums_copy = Fn->copy_array_double($nums);
}
# Copy a string array
{
my $strs = ["abc", "def", "ghi"]
my $strs_copy = Fn->copy_array_string($strs);
}
# Check if the two byte arrays equal
{
my $nums1 = [(byte)1, 2];
my $nums2 = [(byte)1, 2];
my $ret = Fn->equals_array_byte($nums1, $nums2);
}
# Check if the two short arrays equal
{
my $nums1 = [(short)1, 2];
my $nums2 = [(short)1, 2];
my $ret = Fn->equals_array_short($nums1, $nums2);
}
# Check if the two int arrays equal
{
my $nums1 = [(int)1, 2];
my $nums2 = [(int)1, 2];
my $ret = Fn->equals_array_int($nums1, $nums2);
}
# Check if the two long arrays equal
{
my $nums1 = [(long)1, 2];
my $nums2 = [(long)1, 2];
my $ret = Fn->equals_array_long($nums1, $nums2);
}
# Check if the two float arrays equal
{
my $nums1 = [(float)1, 2];
my $nums2 = [(float)1, 2];
my $ret = Fn->equals_array_float($nums1, $nums2);
}
# Check if the two double arrays equal
{
my $nums1 = [(double)1, 2];
my $nums2 = [(double)1, 2];
my $ret = Fn->equals_array_double($nums1, $nums2);
}
# Check if the two string arrays equal
{
my $strs1 = ["abc", "def"];
my $strs2 = ["abc", "def"];
my $ret = Fn->equals_array_string($strs1, $strs2);
}
# Copy object array
my $objects = [(object)Int->new(1), Int->new(2), Int->new(3)];
my $objects_copy = Fn->copy_array_object($objects, method : object ($obj : object) {
my $int_obj = (Int)$obj;
my $new_int_obj = Int->new($int_obj->value);
return $new_int_obj;
});
# Sort byte array itself by asc order
my $nums = [(byte)2, 3, 1];
Fn->sort_byte($nums, 0, scalar @$nums, method : int ($a : byte, $b : byte) {
return $a <=> $b;
});
# Sort short array itself by asc order
my $nums = [(short)2, 3, 1];
Fn->sort_short($nums, 0, scalar @$nums, method : int ($a : short, $b : short) {
return $a <=> $b;
});
# Sort int array itself by asc order
my $nums = [2, 3, 1];
Fn->sort_int($nums, 0, scalar @$nums, method : int ($a : int, $b : int) {
return $a <=> $b;
});
# Sort long array itself by asc order
my $nums = [(long)2, 3, 1];
Fn->sort_long($nums, 0, scalar @$nums, method : int ($a : long, $b : long) {
return $a <=> $b;
});
# Sort float array itself by asc order
my $nums = [(float)2, 3, 1];
Fn->sort_float($nums, 0, scalar @$nums, method : int ($a : float, $b : float) {
return $a <=> $b;
});
# Sort double array itself by asc order
my $nums = [(double)2, 3, 1];
Fn->sort_double($nums, 0, scalar @$nums, method : int ($a : double, $b : double) {
return $a <=> $b;
});
# Sort string array itself by asc order
my $nums = ["11", "1", "2", undef, ""];
Fn->sort_double($nums, 0, scalar @$nums, method : int ($a : double, $b : double) {
return $a <=> $b;
});
# Sort object array itself by asc order
my $minimals = new TestCase::Minimal[3];
$minimals->[0] = TestCase::Minimal->new;
$minimals->[0]{x} = 3;
$minimals->[0]{y} = 5;
$minimals->[1] = TestCase::Minimal->new;
$minimals->[1]{x} = 3;
$minimals->[1]{y} = 7;
$minimals->[2] = TestCase::Minimal->new;
$minimals->[2]{x} = 2;
$minimals->[2]{y} = 9;
Fn->sort_object$minimals, 0, scalar @$minimals, method : int ($object1 : object, $object2 : object) {
my $minimal1 = (TestCase::Minimal)$object1;
my $minimal2 = (TestCase::Minimal)$object2;
return $minimal1->{x} <=> $minimal2->{x} || $minimal1->{y} <=> $minimal2->{y};
};Perl
use SPVM 'Fn';
my $int8_max = SPVM::Fn->INT8_MAX();
my $int16_max = SPVM::Fn->INT16_MAX();
my $int32_max = SPVM::Fn->INT32_MAX();
my $int64_max = SPVM::Fn->INT64_MAX();CLASS METHODS
DBL_MAX
static method DBL_MAX : double ()Return the value of DBL_MAX macro defined in float.h header of C language.
DBL_MIN
static method DBL_MIN : double ()Return the value of DBL_MIN macro defined in float.h header of C language.
FLT_MAX
static method FLT_MAX : float ()Return the value of FLT_MAX macro defined in float.h header of C language.
FLT_MIN
static method FLT_MIN : float ()Return the value of FLT_MIN macro defined in float.h header of C language.
INT16_MAX
static method INT16_MAX : short ()Return 32767. The maximum value of the signed 16bit integer.
INT16_MIN
static method INT16_MIN : short ()Return -32768. The minimal value of the signed 16bit integer.
INT32_MAX
static method INT32_MAX : int ()Return 2147483647. The maximum value of the signed 32bit integer.
INT32_MIN
static method INT32_MIN : int ()Return -2147483648. The minimal value of the signed 32bit integer.
INT64_MAX
static method INT64_MAX : long ()Return 9223372036854775807. The maximum value of the signed 64bit integer.
INT64_MIN
static method INT64_MIN : long ()Return -9223372036854775808. The minimal value of signed 64bit integer.
INT8_MAX
INT8_MAX : byte ()Return 127. The maximum value of the signed 8bit integer.
INT8_MIN
static method INT8_MIN : byte ()Return -128. The minimal value of the signed 8bit integer.
UINT16_MAX
static method UINT16_MAX : short ()Return -1. The same bit expression of 0xFFFF in the unsigned 16bit integer in 2's complement.
UINT32_MAX
static method UINT32_MAX : int ()Return -1. The same bit expression of 0xFFFFFFFF in the unsigned 32bit integer in 2's complement.
UINT64_MAX
static method UINT64_MAX : long ()Return -1. The same bit expression of 0xFFFFFFFFFFFFFFFF in the unsigned 64bit integer in 2's complement.
UINT8_MAX
static method UINT8_MAX : byte ()Return -1. The same bit expression of 0xFF in the unsigned 8bit integer in 2's complement.
abs
static method abs : int ($x : int)Return the absolute value.
chompr
static method chompr : string ($string : string)Copy the string and remove "\n" of the end of line and return it.
copy_array_byte
static method copy_array_byte : byte[] ($nums : byte[])Copy a byte array.
If the array is undef, return undef.
copy_array_double
static method copy_array_double : double[] ($nums : double[])Copy a double array.
If the array is undef, return undef.
copy_array_float
static method copy_array_float : float[] ($nums : float[])Copy a float array.
If the array is undef, return undef.
copy_array_int
static method copy_array_int : int[] ($nums : int[])Copy a int array.
If the array is undef, return undef.
copy_array_long
static method copy_array_long : long[] ($nums : long[])Copy a long array.
If the array is undef, return undef.
copy_array_object
static method copy_array_object : object[] ($objects : object[], $cloner : Cloner)Copy a object array with a Cloner callback implemetation.
If the array is undef, return undef.
copy_array_range_byte
static method copy_array_range_byte : byte[] ($nums : byte[], $offset : int, $length : int)Slice elements in the byte array with the start offset and the length.
Array must be defined, otherwise a exception occurs.
Offset must be in the array range, otherwise a exception occurs.
Length must be more than or equals to 0, othrewise a exception occurs.
Offset + length must not be in the array range, othrewise a exception occurs.
copy_array_range_double
static method copy_array_range_double : double[] ($nums : double[], $offset : int, $length : int)Slice elements in the double array with the start offset and the length.
Array must be defined, otherwise a exception occurs.
Offset must be in the array range, otherwise a exception occurs.
Length must be more than or equals to 0, othrewise a exception occurs.
Offset + length must not be in the array range, othrewise a exception occurs.
copy_array_range_float
static method copy_array_range_float : float[] ($nums : float[], $offset : int, $length : int)Slice elements in the float array with the start offset and the length.
Array must be defined, otherwise a exception occurs.
Offset must be in the array range, otherwise a exception occurs.
Length must be more than or equals to 0, othrewise a exception occurs.
Offset + length must not be in the array range, othrewise a exception occurs.
copy_array_range_int
static method copy_array_range_int : int[] ($nums : int[], $offset : int, $length : int)Slice elements in the int array with the start offset and the length.
Array must be defined, otherwise a exception occurs.
Offset must be in the array range, otherwise a exception occurs.
Length must be more than or equals to 0, othrewise a exception occurs.
Offset + length must not be in the array range, othrewise a exception occurs.
copy_array_range_long
static method copy_array_range_long : long[] ($nums : long[], $offset : int, $length : int)Slice elements in the long array with the start offset and the length.
Array must be defined, otherwise a exception occurs.
Offset must be in the array range, otherwise a exception occurs.
Length must be more than or equals to 0, othrewise a exception occurs.
Offset + length must not be in the array range, othrewise a exception occurs.
copy_array_range_object
static method copy_array_range_object : oarray ($elems : oarray, $offset : int, $length : int)Slice elements in the object array with the start offset and the length.
Array must be defined, otherwise a exception occurs.
Offset must be in the array range, otherwise a exception occurs.
Length must be more than or equals to 0, othrewise a exception occurs.
Offset + length must not be in the array range, othrewise a exception occurs.
copy_array_range_short
static method copy_array_range_short : short[] ($nums : short[], $offset : int, $length : int)Slice elements in the short array with the start offset and the length.
Array must be defined, otherwise a exception occurs.
Offset must be in the array range, otherwise a exception occurs.
Length must be more than or equals to 0, othrewise a exception occurs.
Offset + length must not be in the array range, othrewise a exception occurs.
copy_array_range_string
static method copy_array_range_string : string[] ($strings : string[], $offset : int, $length : int)Slice elements in the string array with the start offset and the length.
Array must be defined, otherwise a exception occurs.
Offset must be in the array range, otherwise a exception occurs.
Length must be more than or equals to 0, othrewise a exception occurs.
Offset + length must not be in the array range, othrewise a exception occurs.
copy_array_short
static method copy_array_short : short[] ($nums : short[])Copy a short array.
If the array is undef, return undef.
copy_array_string
static method copy_array_string : string[] ($strings : string[])Copy a string array.
If the array is undef, return undef.
copy_string
static method copy_string : string ($string : string)Copy the value of the string, and return a new string.
If the argument string is undef, return undef.
crand
static method crand : int ();Get random number(0 <= rundom_number <= Fn->RAND_MAX). This is same as rand function of C language.
The first seed is initialized by epoch time automatically. If you set a seed manually, you can use <srand> class method.
This method is not thread safe because internaly this method use rand function of C language.
dump_array_byte
static method dump_array_byte : string ($nums : byte[])Convert the elements in the byte array to string and join them with "," and surround it with "[" and "]", and return it.
For readability spaces and line breaks are inserted.
If byte array is undef, return undef.
dump_array_double
static method dump_array_double : string ($nums : double[])Convert the elements in the double array to string and join them with "," and surround it with "[" and "]", and return it.
For readability spaces and line breaks are inserted.
If byte array is undef, return undef.
dump_array_float
static method dump_array_float : string ($nums : float[])Convert the elements in the float array to string and join them with "," and surround it with "[" and "]", and return it.
For readability spaces and line breaks are inserted.
If byte array is undef, return undef.
dump_array_int
static method dump_array_int : string ($nums : int[])Convert the elements in the int array to string and join them with "," and surround it with "[" and "]", and return it.
If byte array is undef, return undef.
dump_array_long
static method dump_array_long : string ($nums : long[])Convert the elements in the long array to string and join them with "," and surround it with "[" and "]", and return it.
If byte array is undef, return undef.
dump_array_object
static method dump_array_object : string ($objects : oarray, $stringer : Stringer)Convert the elements in the object array to string by a SPVM::Stringer callback implementation and join them with "," and surround it with "[" and "]", and return it.
For readability spaces and line breaks are inserted.
If string array is undef, return undef.
dump_array_short
static method dump_array_short : string ($nums : short[])Convert the elements in the short array to string and join them with "," and surround it with "[" and "]".
For readability spaces and line breaks are inserted.
If byte array is undef, return undef.
dump_array_string
static method dump_array_string : string ($strings : string[])Join the strings in the array with "," and surround it with "[" and "]", and return it.
For readability spaces and line breaks are inserted.
If string array is undef, return undef.
dump_array_unsigned_byte
static method dump_array_unsigned_byte : string ($nums : byte[])Convert the elements in the byte array to string interpreting as an unsigned 8bit integer and join them with "," and surround it with "[" and "]", and return it.
If byte array is undef, return undef.
dump_array_unsigned_int
static method dump_array_unsigned_int : string ($nums : int[])Convert the elements in the int array to string interpreting as an unsigned 32bit integer and join them with "," and surround it with "[" and "]", and return it.
If byte array is undef, return undef.
dump_array_unsigned_long
static method dump_array_unsigned_long : string ($nums : long[])Convert the elements in the long array to string interpreting as an unsigned 64bit integer and join them with "," and surround it with "[" and "]", and return it.
For readability spaces and line breaks are inserted.
If byte array is undef, return undef.
dump_array_unsigned_short
static method dump_array_unsigned_short : string ($nums : short[])Convert the elements in the short array to string interpreting as an unsigned 16bit integer and join them with "," and surround it with "[" and "]".
For readability spaces and line breaks are inserted.
If byte array is undef, return undef.
equals_array_byte
static method equals_array_byte : int ($nums1 : byte[], $nums2 : byte[])Check if two byte arrays equal.
If at least one of the arrays is undef, a excetpion occurs.
equals_array_double
static method equals_array_double : int ($nums1 : double[], $nums2 : double[])Check if two double arrays equal.
If at least one of the arrays is undef, a excetpion occurs.
equals_array_float
static method equals_array_float : int ($nums1 : float[], $nums2 : float[])Check if two float arrays equal.
If at least one of the arrays is undef, a excetpion occurs.
equals_array_int
static method equals_array_int : int ($nums1 : int[], $nums2 : int[])Check if two int arrays equal.
If at least one of the arrays is undef, a excetpion occurs.
equals_array_long
static method equals_array_long : int ($nums1 : long[], $nums2 : long[])Check if two long arrays equal.
If at least one of the arrays is undef, a excetpion occurs.
equals_array_object
static method static method equals_array_object : int ($objs1 : oarray, $objs2 : oarray, $equality_checker : EqualityChecker)Check equality of two objects. You must sepecify a EqualityChecker object to check the equality of each element.
$objs1 and $objs2 and $equality_checker must be defined, otherwise a exception occur.
Return 1 if the length of $objs1 and $objs2 is same and all element is same, otherwise return 0.
equals_array_short
static method equals_array_short : int ($nums1 : short[], $nums2 : short[])Check if two short arrays equal.
If at least one of the arrays is undef, a excetpion occurs.
equals_array_string
static method equals_array_string : int ($strs1 : double[], $strs2 : double[])Check if two string arrays equal.
If at least one of the arrays is undef, a excetpion occurs.
hex
static method hex : int ($hex_string : string)Convert hex string to int value.
the hex string must be defined, otherwise a exception occurs.
the hex string must be a valid expression which is represented by a regex "^([0-9a-fA-F]{1,8})$", otherwise a exception occurs.
index
static method index : int ($string : string, $method_string : string, $position : int)index function searches for one string within another. It returns the position of the first occurrence of $method_string in $string at or after $position. If $position is omitted, starts searching from the beginning of the string. $position before the beginning of the string or after its end is treated as if it were the beginning or the end, respectively. $position and the return value are based at zero. If the substring is not found, "index" returns -1.
is_alnum
static method is_alnum : int ($code_point : int)If character is alphanumeric('A'-'Z', 'a'-'z', '0'-'9'), return 1. If not, return 0.
is_alpha
static method is_alpha : int ($code_point : int)If character is alphabetic('A'-'Z', 'a'-'z'), return 1. If not, return 0.
is_blank
static method is_blank : int ($code_point : int)If character is blank(' ', '\t'), return 1. If not, return 0.
is_cntrl
static method is_cntrl : int ($code_point : int)If character is a control character(0x00-0x1F, 0x7F), return 1. If not, return 0.
is_digit
static method is_digit : int ($code_point : int)If character is decimal digit ('0'-'9'), return 1. If not, return 0.
is_graph
static method is_graph : int ($code_point : int)If character has graphical representation(0x21-0x7E), return 1. If not, return 0.
is_lower
static method is_lower : int ($code_point : int)If character is lowercase letter('a'-'z'), return 1. If not, return 0.
is_perl_space
static method is_perl_space : int ($code_point : int)If character is Perl space character(' ', '\r', '\n', '\t', '\f'), return 1. If not, return 0.
is_perl_word
static method is_perl_word : int ($code_point : int)If character is Perl word character('a'-'z', 'A'-'Z', '_', '0'-'9'), return 1. If not, return 0.
is_print
static method is_print : int ($code_point : int)If character is printable(0x20-0x7E), return 1. If not, return 0.
is_punct
static method is_punct : int ($code_point : int)If character is a punctuation character(0x21-0x2f, 0x3a-0x40, 0x5b-0x60, 0x7b-0x7e), return 1. If not, return 0.
is_space
static method is_space : int ($code_point : int)If character is a white-space(' ', '\t', '\n', '\v', '\f', '\r'), return 1. If not, return 0.
is_upper
static method is_upper : int ($code_point : int)If character is uppercase letter('A'-'Z'), return 1. If not, return 0.
is_xdigit
static method is_xdigit : int ($code_point : int)If character is hexadecimal digit('0'-'9', 'A'-'F', 'a'-'f'), return 1. If not, return 0.
join
static method join : string ($sep : string, $strings : string[])Join a string array with separater and return it.
If separater is undef, a exception occurs.
If string array is undef, a exception occurs.
labs
static method labs : long ($x : long)Return the absolute value.
lc
static method lc : string ($string : string)Convert uppercase string to lowercase string.
lcfirst
static method lcfirst : string ($string : string)Convert first chracter of string from uppercase to lowercase.
memcpy_byte
static method memcpy_byte : void ($dest : byte[], $dest_offset : int, $source : byte[], $source_offset : int, $length : int)Copy source byte array to destination byte array with the each offset and a length.
If source data range and destination data overlap, the result is not guaranteed.
Destnation must be defined, otherwise a exception occurs.
Source must be defined, otherwise a exception occurs.
Length must be more than or equals to 0, otherwise a exception occurs.
Destnation offset + length must be within the range of the destnation array, otherwise a exception occurs.
Source offset + length must be within the range of the source array, otherwise a exception occurs.
memcpy_double
static method memcpy_double : void ($dest : double[], $dest_offset : int, $source : double[], $source_offset : int, $length : int)Copy source double array to destination double array with the each offset and a length.
If source data range and destination data overlap, the result is not guaranteed.
Destnation must be defined, otherwise a exception occurs.
Source must be defined, otherwise a exception occurs.
Length must be more than or equals to 0, otherwise a exception occurs.
Destnation offset + length must be within the range of the destnation array, otherwise a exception occurs.
Source offset + length must be within the range of the source array, otherwise a exception occurs.
memcpy_float
static method memcpy_float : void ($dest : float[], $dest_offset : int, $source : float[], $source_offset : int, $length : int)Copy source float array to destination float array with the each offset and a length.
If source data range and destination data overlap, the result is not guaranteed.
Destnation must be defined, otherwise a exception occurs.
Source must be defined, otherwise a exception occurs.
Length must be more than or equals to 0, otherwise a exception occurs.
Destnation offset + length must be within the range of the destnation array, otherwise a exception occurs.
Source offset + length must be within the range of the source array, otherwise a exception occurs.
memcpy_int
static method memcpy_int : void ($dest : int[], $dest_offset : int, $source : int[], $source_offset : int, $length : int)Copy source int array to destination int array with the each offset and a length.
Destnation must be defined, otherwise a exception occurs.
Source must be defined, otherwise a exception occurs.
Length must be more than or equals to 0, otherwise a exception occurs.
Destnation offset + length must be within the range of the destnation array, otherwise a exception occurs.
Source offset + length must be within the range of the source array, otherwise a exception occurs.
memcpy_long
static method memcpy_long : void ($dest : long[], $dest_offset : int, $source : long[], $source_offset : int, $length : int)Copy source long array to destination long array with the each offset and a length.
If source data range and destination data overlap, the result is not guaranteed.
Destnation must be defined, otherwise a exception occurs.
Source must be defined, otherwise a exception occurs.
Length must be more than or equals to 0, otherwise a exception occurs.
Destnation offset + length must be within the range of the destnation array, otherwise a exception occurs.
Source offset + length must be within the range of the source array, otherwise a exception occurs.
memcpy_short
static method memcpy_short : void ($dest : short[], $dest_offset : int, $source : short[], $source_offset : int, $length : int)Copy source short array to destination short array with the each offset and a length.
If source data range and destination data overlap, the result is not guaranteed.
Destnation must be defined, otherwise a exception occurs.
Source must be defined, otherwise a exception occurs.
Length must be more than or equals to 0, otherwise a exception occurs.
Destnation offset + length must be within the range of the destnation array, otherwise a exception occurs.
Source offset + length must be within the range of the source array, otherwise a exception occurs.
memmove_byte
static method memmove_byte : void ($dest : byte[], $dest_offset : int, $source : byte[], $source_offset : int, $length : int)Copy source byte array to destination byte array with the each offset and a length.
Even if source data range and destination data overlap, the result is guaranteed.
Destnation must be defined, otherwise a exception occurs.
Source must be defined, otherwise a exception occurs.
Length must be more than or equals to 0, otherwise a exception occurs.
Destnation offset + length must be within the range of the destnation array, otherwise a exception occurs.
Source offset + length must be within the range of the source array, otherwise a exception occurs.
memmove_double
memmove_double : void ($dest : double[], $dest_offset : int, $source : double[], $source_offset : int, $length : int)Copy source double array to destination double array with the each offset and a length.
Even if source data range and destination data overlap, the result is guaranteed.
Destnation must be defined, otherwise a exception occurs.
Source must be defined, otherwise a exception occurs.
Length must be more than or equals to 0, otherwise a exception occurs.
Destnation offset + length must be within the range of the destnation array, otherwise a exception occurs.
Source offset + length must be within the range of the source array, otherwise a exception occurs.
memmove_float
static method memmove_float : void ($dest : float[], $dest_offset : int, $source : float[], $source_offset : int, $length : int)Copy source float array to destination float array with the each offset and a length.
Even if source data range and destination data overlap, the result is guaranteed.
Destnation must be defined, otherwise a exception occurs.
Source must be defined, otherwise a exception occurs.
Length must be more than or equals to 0, otherwise a exception occurs.
Destnation offset + length must be within the range of the destnation array, otherwise a exception occurs.
Source offset + length must be within the range of the source array, otherwise a exception occurs.
memmove_int
memmove_int : void ($dest : int[], $dest_offset : int, $source : int[], $source_offset : int, $length : int)Copy source int array to destination int array with the each offset and a length.
Even if source data range and destination data overlap, the result is guaranteed.
Destnation must be defined, otherwise a exception occurs.
Source must be defined, otherwise a exception occurs.
Length must be more than or equals to 0, otherwise a exception occurs.
Destnation offset + length must be within the range of the destnation array, otherwise a exception occurs.
Source offset + length must be within the range of the source array, otherwise a exception occurs.
memmove_long
memmove_long : void ($dest : long[], $dest_offset : int, $source : long[], $source_offset : int, $length : int)Copy source long array to destination long array with the each offset and a length.
Even if source data range and destination data overlap, the result is guaranteed.
Destnation must be defined, otherwise a exception occurs.
Source must be defined, otherwise a exception occurs.
Length must be more than or equals to 0, otherwise a exception occurs.
Destnation offset + length must be within the range of the destnation array, otherwise a exception occurs.
Source offset + length must be within the range of the source array, otherwise a exception occurs.
memmove_short
memmove_short : void ($dest : short[], $dest_offset : int, $source : short[], $source_offset : int, $length : int)Copy source short array to destination short array with the each offset and a length.
Even if source data range and destination data overlap, the result is guaranteed.
Destnation must be defined, otherwise a exception occurs.
Source must be defined, otherwise a exception occurs.
Length must be more than or equals to 0, otherwise a exception occurs.
Destnation offset + length must be within the range of the destnation array, otherwise a exception occurs.
Source offset + length must be within the range of the source array, otherwise a exception occurs.
substr
static method substr : string ($string : string, $offset : int, $length : int)Get the substring of the string with the start offset and the length.
new_array_proto
static method new_array_proto : oarray ($proto_array : oarray, $length : int)Create a new generic object array as the same type as the given array.
powi
static method powi : int ($x : int, $y : int)Calculate the exponentiation.
powl
static method powl : long ($x : long, $y : long)Calculate the exponentiation.
rand
static method rand : double ();Get random number(0 <= random_number < 1). This is same as rand function of Perl language.
The first seed is initialized by epoch time automatically. If you set a seed manually, you can use <srand> class method.
This method is not thread safe because internaly this method use rand function of C language.
rindex
static method rindex : int ($string : string, $method_string : string, $offset : int)Same as "index" function except that the search is the last of the string.
sort_byte
static method sort_byte : void ($nums : byte[], $offset : int, $length : int, $comparator : Comparator::Byte)Sort byte array itself with a offset, a length, and a Comparator::Byte comparator.
Array must be not undef. Otherwise a exception occurs.
Offset must be more than or equals to 0. Otherwise a exception occurs.
Length must be more than or equals to 0. Otherwise a exception occurs.
Offset + Length must be in the array range. Otherwise a exception occurs.
sort_double
static method sort_double : void ($nums : double[], $offset : int, $length : int, $comparator : Comparator::Double)Sort double array itself with a offset, a length, and a Comparator::Double comparator.
Array must be not undef. Otherwise a exception occurs.
Offset must be more than or equals to 0. Otherwise a exception occurs.
Length must be more than or equals to 0. Otherwise a exception occurs.
Offset + Length must be in the array range. Otherwise a exception occurs.
sort_float
static method static method sort_float : void ($nums : float[], $offset : int, $length : int, $comparator : Comparator::Float)Sort float array itself with a offset, a length, and a Comparator::Float comparator.
Array must be not undef. Otherwise a exception occurs.
Offset must be more than or equals to 0. Otherwise a exception occurs.
Length must be more than or equals to 0. Otherwise a exception occurs.
Offset + Length must be in the array range. Otherwise a exception occurs.
sort_int
static method sort_int : void ($nums : int[], $offset : int, $length : int, $comparator : Comparator::Int)Sort int array itself with a offset, a length, and a Comparator::Int comparator.
Array must be not undef. Otherwise a exception occurs.
Offset must be more than or equals to 0. Otherwise a exception occurs.
Length must be more than or equals to 0. Otherwise a exception occurs.
Offset + Length must be in the array range. Otherwise a exception occurs.
sort_long
static method sort_long : void ($nums : long[], $offset : int, $length : int, $comparator : Comparator::Long)Sort long array itself with a offset, a length, and a Comparator::Long comparator.
Array must be not undef. Otherwise a exception occurs.
Offset must be more than or equals to 0. Otherwise a exception occurs.
Length must be more than or equals to 0. Otherwise a exception occurs.
Offset + Length must be in the array range. Otherwise a exception occurs.
sort_object
static method sort_object : void ($objs : oarray, $offset : int, $length : int, $comparator : Comparator::Object)Sort object array itself with a offset, a length, and a Comparator::Object comparator.
Array must be not undef. Otherwise a exception occurs.
Offset must be more than or equals to 0. Otherwise a exception occurs.
Length must be more than or equals to 0. Otherwise a exception occurs.
Offset + Length must be in the array range. Otherwise a exception occurs.
sort_short
static method sort_short : void ($nums : short[], $offset : int, $length : int, $comparator : Comparator::Short)Sort short array itself with a offset, a length, and a Comparator::Short comparator.
Array must be not undef. Otherwise a exception occurs.
Offset must be more than or equals to 0. Otherwise a exception occurs.
Length must be more than or equals to 0. Otherwise a exception occurs.
Offset + Length must be in the array range. Otherwise a exception occurs.
sort_string
static method sort_string : void ($nums : string[], $offset : int, $length : int, $comparator : Comparator::Double)Sort string array itself with a offset, a length, and a Comparator::String comparator.
Array must be not undef. Otherwise a exception occurs.
Offset must be more than or equals to 0. Otherwise a exception occurs.
Length must be more than or equals to 0. Otherwise a exception occurs.
Offset + Length must be in the array range. Otherwise a exception occurs.
split
static method split : string[] ($sep : string, $string : string)Split a string by the specific separator.
sprintf
static method sprintf : string ($format : string, $args : object[]...)Create a formatted string with the format and the embdded values.
| Format Specifier |
|---|
| Description |
| %d |
| 32bit Integer |
| %u |
| Unsigned 32bit Integer |
| %ld |
| 64bit Integer |
| %lu |
| Unsigned 64bit Integer |
| %f |
| 64bit Floating Point |
| %c |
| Character |
| %s |
| String |
| %U |
| Unicode Code Point to UTF-8 |
Format Options
Zero Padding
# Format
"%05d"
# Value
123
# Output
"00123"Plus
# Format
%+d
# Value
123
# Output
"+123"Left Justified
# Format
"%-5d"
# Value
123
# Output
"123 "Number of Decimal Places Displayed
# Format
"%.2f"
# Value
3.1415
# Output
"3.14"srand
static method srand : void ($seed : long);Sets random number seed for the crand or rand class method.
to_double
static method to_double : double ($string : string);Convert the string to float value.
Format is [' ' or '\t' or '\n' or '\v' or '\f' or '\r'][+ or -][zero more than 0-9][.][zero more than 0-9][e or E[+ or -]zero more than 0-9]. Internal of [] is optional.
If the convertion fails, a exception occuer.
my $string = "1.25";
my $num = to_double($string);to_float
static method to_float : float ($string : string);Convert the string to float value.
Format is [' ' or '\t' or '\n' or '\v' or '\f' or '\r'][+ or -][zero more than 0-9][.][zero more than 0-9][e or E[+ or -]zero more than 0-9]. Internal of [] is optional.
If the convertion fails, a exception occuer.
my $string = "1.25";
my $num = to_float($string);to_int
static method to_int : int ($string : string, $digit : int);Convert the string to a int value. This method is same as to_int_with_base($string, 10).
my $string = "-2147483648";
my $num = to_int($string);to_int_with_base
static method to_int_with_base : int ($string : string, $digit : int);Convert the string to a int value with a digit(2, 8, 10, 16).
Format is [' ' or '\t' or '\n' or '\v' or '\f' or '\r'][+ or -][0][x][one more than 0-9]. Internal of [] is optional.
If convertion fails, a exception occuer.
my $string = "-2147483648";
my $num = to_int_with_base($string, 10);to_long
static method to_long : long ($string : string);Convert the string to long value. This method is same as to_long($string, 10).
my $string = "-9223372036854775808";
my $num = to_long($string);to_long_with_base
static method to_long_with_base : long ($string : string, $digit : int);Convert the string to long value with digit(2, 8, 10, 16).
Format is [' ' or '\t' or '\n' or '\v' or '\f' or '\r'][+ or -][0][x][zero more than 0-9]. Internal of [] is optional.
If the convertion fails, a exception occuer.
my $string = "-9223372036854775808";
my $num = to_long_with_base($string, 10);to_lower
static method to_lower : int ($code_point : int)Convert uppercase letter('A'-'Z') to lowercase. If the character is not uppercase letter, return the character.
to_upper
static method to_upper : int ($code_point : int)Convert lowercase letter('a'-'z') to lowercase. If the character is not uppercase letter, return the character.
trim_ascii_space
static method trim_ascii_space : string ($string : string)Remove right and left spaces of the string. These spaces is ascii standard spaces which can be checked by is_space method.
If the argument string is undef, return undef.
uc
static method uc : string ($string : string)Convert a lowercase string to a uppercase string.
If the string is undef, a exception occur.
ucfirst
static method ucfirst : string ($string : string)Convert the first character of a string to a uppercase character.
If the string is undef, a exception occur.