NAME

FFI::C::Union - Union data instance for FFI

VERSION

version 0.15

SYNOPSIS

use FFI::C::UnionDef;

my $def = FFI::C::UnionDef->new(
  name => 'anyint_t',
  class => 'AnyInt',
  members => [
    u8  => 'uint8',
    u16 => 'uint16',
    u32 => 'uint32',
  ],
);

my $int = AnyInt->new({ u8 => 42 });
printf "0x%x\n", $int->u32;   # 0x2a on Intel

DESCRIPTION

This class represents an instance of a C union. This class can be created using new on the generated class, if that was specified for the FFI::C::UnionDef, or by using the create method on FFI::C::UnionDef.

For each member defined in the FFI::C::UnionDef there is an accessor for the FFI::C::Union instance.

CONSTRUCTOR

new

FFI::C::UnionDef->new( class => 'User::Union::Class', ... );
my $instance = User::Union::Class->new;

Creates a new instance of the union.

SEE ALSO

FFI::C

FFI::C::Array

FFI::C::ArrayDef

FFI::C::Def

FFI::C::File

FFI::C::PosixFile

FFI::C::Struct

FFI::C::StructDef

FFI::C::Union

FFI::C::UnionDef

FFI::C::Util

FFI::Platypus::Record

AUTHOR

Graham Ollis <plicease@cpan.org>

COPYRIGHT AND LICENSE

This software is copyright (c) 2020-2022 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.