class Fiddle::Closure::BlockCaller
Extends Fiddle::Closure
to allow for building the closure in a block
Public Class Methods
new(ctype, args, abi = Fiddle::Function::DEFAULT, &block)
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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
# File fiddle/lib/fiddle/closure.rb, line 60 def initialize ctype, args, abi = Fiddle::Function::DEFAULT, &block super(ctype, args, abi) @block = block end
Public Instance Methods
call(*args)
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Calls the constructed BlockCaller
, with args
For an example see Fiddle::Closure::BlockCaller.new
# File fiddle/lib/fiddle/closure.rb, line 69 def call *args @block.call(*args) end