added some code

test/test.lua

@@ -0,0 +1,24 @@
+local largparse = require "largparse"
+local serpent = require "serpent"
+
+local parser = largparse.parser()
+
+parser:argument("input", {
+   args = 2
+})
+
+parser:flag("-q", "--quiet")
+parser:option("-s", "--server")
+
+parser:mutually_exclusive(
+   parser:flag("-q", "--quiet"),
+   parser:option("-s", "--server")
+)
+
+local run = parser:command "run"
+
+run:flag("-f", "--fast")
+
+local args = parser:parse()
+
+print(serpent.block(args))