Module:Func

-- This module provies helper functions for manipulating Lua functions. -- -- @module func -- @alias p -- @author ExE Boss

require("strict"); local checkTypeMulti = require("libraryUtil").checkTypeMulti;

local p = {};

-- Creates a bound function that calls `func` with the varargs passed to `bind` -- preceding the varargs passed to the newly created bound function. -- -- @param {function} func -- @param {any} ... -- @return {function} -- @see https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Function/bind

function p.bind(func, ...) checkTypeMulti("bind", 1, func, { "table", "function" });

local length = select("#", ...); local args = {...};

return function(...) local callArgs = { unpack(args, 1, length) }; local innerLength = select("#", ...); for i = 1, innerLength do			callArgs[length + i] = select(i, ...); end return func(unpack(callArgs, 1, innerLength + length)); end end

return p;