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Go and Ruby-FFI How to write a shared library in Go that can be loaded by Ruby-FFI. With the release of Go 1.5 we got access to a new buildmode called c-shared, which allows you to build shared libraries that Ruby-FFI can load. (Also, anything else that can load shared libraries) Inspiration Filippo Valsorda has already written a very nice article on Building Python modules with Go 1.5 but I natur
36. 使い方(1) module LibC extend FFI::Library ffi_lib 'c' # FFI::Library::LIBC # int puts(char*) attach_function :puts, [:string], :int end LibC.puts "Hello!" 37. 使い方(2) 型 :short # 16bit int :int # 32bit int :long_long # 64bit int :long # long :float # float :double # double :string # NULL-terminated :pointer # pointer :void, :float, :double, :varargs, ... 38. 使い方(3) 型 列挙型/構造体/関数ポインタ enum :Status, [:
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