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package IO::Handle::Prototype;
use strict;
use warnings;
our $VERSION = '0.02';
use Carp ();
use parent qw(IO::Handle::Util::Overloading);
sub new {
    my ( $class, @args ) = @_;
    my $cb = @args == 1 ? $args[0] : {@args};
    bless {
        cb => $cb,
    }, $class;
}
sub _cb {
    my $self = shift;
    my $name = shift;
    if ( my $cb = $self->{cb}{$name} ) {
        return $self->$cb(@_);
    } else {
        Carp::croak("No implementation of '$name' provided for $self");
    }
}
sub open { shift->_cb(open => @_) }
sub getline { shift->_cb(getline => @_) }
sub getlines { shift->_cb(getlines => @_) }
sub read { shift->_cb(read => @_) }
sub sysread { shift->_cb(sysread => @_) }
sub getc { shift->_cb(getc => @_) }
sub ungetc { shift->_cb(ungetc => @_) }
sub say { shift->_cb(say => @_) }
sub print { shift->_cb(print => @_) }
sub printf { shift->_cb(printf => @_) }
sub format_write { shift->_cb(format_write => @_) }
sub write { shift->_cb(write => @_) }
sub syswrite { shift->_cb(syswrite => @_) }
sub ioctl { shift->_cb(ioctl => @_) }
sub fcntl { shift->_cb(fcntl => @_) }
sub truncate { shift->_cb(truncate => @_) }
sub stat { shift->_cb(stat => @_) }
sub fileno { shift->_cb(fileno => @_) }
sub eof { shift->_cb(eof => @_) }
sub close { shift->_cb(close => @_) }
__PACKAGE__
# ex: set sw=4 et:
__END__
HideShow 22 lines of Pod
=pod
=head1 NAME
IO::Handle::Prototype - base class for callback based handles.
=head1 SYNOPSIS
    my $fh = IO::Handle::Prototype->new(
        getline => sub {
            my $fh = shift;
            ...
        },
    );
=head1 DESCRIPTION
You probably want L<IO::Handle::Prototype::Fallback> instead.
=cut