bool Globals::isTail(ssize_t pos) const {
ArrayData *arr = Array::get();
if (!arr || arr->empty()) {
return staticSize() > 0 && pos == staticSize() - 1;
}
if (pos < -1) {
return wrapIter(pos) == arr->iter_end();
}
return false;
}
ALWAYS_INLINE
typename std::enable_if<
std::is_base_of<BaseMap, TMap>::value, Object>::type
BaseMap::FromArray(const Class*, const Variant& arr) {
if (!arr.isArray()) {
SystemLib::throwInvalidArgumentExceptionObject(
"Parameter arr must be an array");
}
auto map = req::make<TMap>();
ArrayData* ad = arr.getArrayData();
map->reserve(ad->size());
for (ssize_t pos = ad->iter_begin(), limit = ad->iter_end(); pos != limit;
pos = ad->iter_advance(pos)) {
Variant k = ad->getKey(pos);
auto* tv = ad->getValueRef(pos).asCell();
if (k.isInteger()) {
map->setRaw(k.toInt64(), tv);
} else {
assert(k.isString());
map->setRaw(k.getStringData(), tv);
}
}
return Object(std::move(map));
}
