From 907230e479ba6c9489463797f81c7348ed754302 Mon Sep 17 00:00:00 2001
From: Kevin <119447307+tokyob0t@users.noreply.github.com>
Date: Thu, 23 Jan 2025 09:34:46 -0300
Subject: add: lua gtk3 examples (#156)

---
 examples/gtk3/lua/media-player/lib.lua | 38 ++++++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)
 create mode 100644 examples/gtk3/lua/media-player/lib.lua

(limited to 'examples/gtk3/lua/media-player/lib.lua')

diff --git a/examples/gtk3/lua/media-player/lib.lua b/examples/gtk3/lua/media-player/lib.lua
new file mode 100644
index 0000000..8a50bdd
--- /dev/null
+++ b/examples/gtk3/lua/media-player/lib.lua
@@ -0,0 +1,38 @@
+local M = {}
+
+function M.src(path)
+	local str = debug.getinfo(2, "S").source:sub(2)
+	local src = str:match("(.*/)") or str:match("(.*\\)") or "./"
+	return src .. path
+end
+
+---@generic T, R
+---@param array T[]
+---@param func fun(T, i: integer): R
+---@return R[]
+function M.map(array, func)
+	local new_arr = {}
+	for i, v in ipairs(array) do
+		new_arr[i] = func(v, i)
+	end
+	return new_arr
+end
+
+---@generic T
+---@param array T[]
+---@param start integer
+---@param stop? integer
+---@return T[]
+function M.slice(array, start, stop)
+	local new_arr = {}
+
+	stop = stop or #array
+
+	for i = start, stop do
+		table.insert(new_arr, array[i])
+	end
+
+	return new_arr
+end
+
+return M
-- 
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