NAME

Wasm::Wasmtime::Extern - Wasmtime extern class

VERSION

version 0.03

SYNOPSIS

use Wasm::Wasmtime;

my $instance = Wasm::Wasmtime::Instance->new(
  Wasm::Wasmtime::Module->new(wat => q{
    (module
      (func (export "foo") (param i32 i32) (result i32)
        local.get 0
        local.get 1
        i32.add)
      (memory (export "bar") 2 3)
    )
  }),
);

my $externtype_foo = $instance->get_export('foo');
print $externtype_foo->kind, "\n";  # func

my $externtype_bar = $instance->get_export('bar');
print $externtype_bar->kind, "\n";  # memory

DESCRIPTION

This class represents an object exported from Wasm::Wasmtime::Instance.

METHODS

type

my $externtype = $extern->type;

Returns the Wasm::Wasmtime::ExternType for this extern.

kind

my $kind = $extern->kind;

Returns the kind of extern. Should be one of:

func

global

table

memory

kind_num

my $kind = $extern->kind_num;

Returns the kind of extern as the internal integer used by Wasmtime.

as_func

my $func = $extern->as_func;

If the extern is a func, returns its Wasm::Wasmtime::Func. Otherwise returns undef.

as_memory

my $memory = $extern->as_memory;

If the extern is a memory, returns its Wasm::Wasmtime::Memory. Otherwise returns undef.

AUTHOR

Graham Ollis <plicease@cpan.org>

COPYRIGHT AND LICENSE

This software is copyright (c) 2020 by Graham Ollis.

This is free software; you can redistribute it and/or modify it under the same terms as the Perl 5 programming language system itself.