yet another macro use case for golo

gistfile1.md

Yet another macro use case for golo

actual working code...

module SomeFunctions

function bar = |somethingWithV, a, b| -> somethingWithV: v() + a + b

module SomeTypes

struct Foo = {v}

function foo = |aFoo, a, b, x| -> aFoo: bar(a, b) + " " + x

&augmentWithFunctions(SomeTypes.types.Foo.class, ^SomeFunctions::bar, ^foo)

module Test

import SomeTypes

function main = |args| {
  let f = Foo(1)
  println(f: foo(2, 3, ":)"))
}

$ golo golo --files functions.golo types.golo test.golo
6 :)

The macro actually expand to

augment SomeTypes.types.Foo {

  function foo = |this, args...| -> ^foo: bindTo(this): invoke(args)

  function bar = |this, args...| -> ^SomeFunctions::bar: bindTo(this): invoke(args)
}

🆒