NAME

luaL_argcheck — checks whether cond is true, function indicator [-0, +0, v]

SYNOPSIS

#include <lauxlib.h>

void
luaL_argcheck(lua_State *L, int cond, int narg, const char *extramsg);

DESCRIPTION

luaL_argcheck() checks whether cond is true. If not, raises an error with the following message, where func is retrieved from the call stack:

bad argument #<narg> to <func> (<extramsg>)

SEE ALSO

Roberto Ierusalimschy, Luiz Henrique de Figueiredo, and Waldemar Celes, Lua 5.1 Reference Manual.

HISTORY

The luaL_argcheck() manual page is based on Lua Reference Manual 5.1 and was created by Sergey Bronnikov.