Class: FFI::Union

Relationships & Source Files
Super Chains via Extension / Inclusion / Inheritance
Class Chain: self, `Struct`
Instance Chain: self, `Struct`
Inherits:	FFI::Struct `::Object` FFI::Struct FFI::Union
Defined in:	lib/ffi/union.rb

Class Attribute Summary

.size	Get struct size.
.size=	set struct size.

.alignment, .auto_ptr, .by_ref, .by_value, .in, .layout, .members,
.offset_of	Get the offset of a field.
.offsets	Get an array of tuples (field name, offset of the field).
.out, .ptr, .val,
.array_layout	Add array `spec` to .builder.
.hash_layout	Add hash `spec` to .builder.

#align	Alias for Struct#alignment.
#alignment,
#clear	Clear the struct content.
#members,
#offset_of	Get the offset of a field.
#offsets	Get an array of tuples (field name, offset of the field).
#size	Get struct size.
#to_ptr	Get `Pointer` to struct content.
#values	Get array of values from `Struct` fields.

[ GitHub ]

# File 'lib/ffi/union.rb', line 37


def self.builder
  b = StructLayoutBuilder.new
  b.union = true
  b
end