diff options
Diffstat (limited to 'acf/util.lua')
-rw-r--r-- | acf/util.lua | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/acf/util.lua b/acf/util.lua index 63276ec..e66b711 100644 --- a/acf/util.lua +++ b/acf/util.lua @@ -3,39 +3,41 @@ Copyright (c) 2012-2013 Kaarle Ritvanen See LICENSE file for license details --]] -module(..., package.seeall) +local M = {} -function setdefault(t, k, v) +function M.setdefault(t, k, v) if t[k] == nil then t[k] = v end return t[k] end -function update(dst, src, preserve) +function M.update(dst, src, preserve) for k, v in pairs(src) do if not preserve or dst[k] == nil then dst[k] = v end end return dst end -function setdefaults(dst, src) return update(dst, src, true) end +function M.setdefaults(dst, src) return M.update(dst, src, true) end -function copy(var) - return type(var) == 'table' and setdefaults({}, var) or var +function M.copy(var) + return type(var) == 'table' and M.setdefaults({}, var) or var end -function extend(dst, src) +function M.extend(dst, src) for _, v in ipairs(src) do table.insert(dst, v) end return dst end -function keys(tbl) +function M.keys(tbl) local res = {} for k, v in pairs(tbl) do table.insert(res, k) end return res end -function map(func, tbl) +function M.map(func, tbl) local res = {} for k, v in pairs(tbl) do res[k] = func(v) end return res end + +return M |