pub fn str_upper(state: &mut LuaState) -> Result<usize, LuaError>Expand description
string.upper(s) — return uppercase copy.
C: static int str_upper(lua_State *L)
Borrow the source bytes; called as the string.gsub replacement function
in string_ops_long ~700k times against %w+ matches, so the intermediate
copy from check_arg_string added up.