class Fiddle::Closure::BlockCaller
Extends Fiddle::Closure
to allow for building the closure in a block
Public Class Methods
Source
# File ext/fiddle/lib/fiddle/closure.rb, line 60 def initialize ctype, args, abi = Fiddle::Function::DEFAULT, &block super(ctype, args, abi) @block = block end
Description¶ ↑
Construct a new BlockCaller
object.
-
ctype
is the C type to be returned -
args
are passed the callback -
abi
is the abi of the closure
If there is an error in preparing the ffi_cif
or ffi_prep_closure
, then a RuntimeError
will be raised.
Example¶ ↑
include Fiddle cb = Closure::BlockCaller.new(TYPE_INT, [TYPE_INT]) do |one| one end func = Function.new(cb, [TYPE_INT], TYPE_INT)
Calls superclass method
Fiddle::Closure::new
Public Instance Methods
Source
# File ext/fiddle/lib/fiddle/closure.rb, line 69 def call *args @block.call(*args) end
Calls the constructed BlockCaller
, with args
For an example see Fiddle::Closure::BlockCaller.new