Method: Fiddle::Closure::BlockCaller#initialize

Defined in:
lib/fiddle/closure.rb

#initialize(ctype, args, abi = Fiddle::Function::DEFAULT, &block) ⇒ BlockCaller

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)
[View source]

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# File 'lib/fiddle/closure.rb', line 34

def initialize ctype, args, abi = Fiddle::Function::DEFAULT, &block
  super(ctype, args, abi)
  @block = block
end