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luax when >=503, use isinteger of lua build-in #55

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luax when >=503, use isinteger of lua build-in #55

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5 changes: 3 additions & 2 deletions src/luax.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -35,13 +35,13 @@ namespace luax {
inline bool isinteger(lua_State* L, int idx, int64_t* out = NULL)
{
#if LUA_VERSION_NUM >= 503
if (lua_isinteger(L, idx)) // but it maybe not detect all integers.
if (lua_isinteger(L, idx))
{
if (out)
*out = lua_tointeger(L, idx);
return true;
}
#endif
#else
double intpart;
if (std::modf(lua_tonumber(L, idx), &intpart) == 0.0)
{
Expand All @@ -53,6 +53,7 @@ namespace luax {
return true;
}
}
#endif
return false;
}

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