NAME

luaL_checknumber — checks whether the function argument narg is a number and returns this number, function indicator [-0, +0, v]

SYNOPSIS

#include <lauxlib.h>

lua_Number
luaL_checknumber(lua_State *L, int narg);

DESCRIPTION

luaL_checknumber() checks whether the function argument narg is a number and returns this number.

SEE ALSO

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

HISTORY

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