Added argument type-checking to json.decode()

2015-09-06 14:07:28 +01:00 · 2015-09-06 14:07:28 +01:00 · bf3ebf6679
parent 89b0e905ef
commit bf3ebf6679
1 changed files with 3 additions and 0 deletions
--- a/json.lua
+++ b/json.lua
@ -370,6 +370,9 @@ end


 function json.decode(str)
+  if type(str) ~= "string" then
+    error("expected argument of type string, got " .. type(str))
+  end
  return ( parse(str, next_char(str, 1, space_chars, true)) )
 end