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LibJS: Make TypedArray::element_name return FlyString instead of String

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This ensures that comparison between TypedArray names will be
essentially free (just a pointer comparison), which will allow us to
efficiently implement specification steps like:
"24. If srcType is the same as targetType, then"
efficiently.
This commit is contained in:
Idan Horowitz 2022-02-08 22:22:03 +02:00 • committed by Linus Groh
parent 9839e2eeb6
commit c7a8902746
3 changed files with 5 additions and 5 deletions
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4
Userland/Libraries/LibJS/Runtime/AtomicsObject.cpp
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@ -28,14 +28,14 @@ static ThrowCompletionOr<ArrayBuffer*> validate_integer_typed_array(GlobalObject
auto* buffer = typed_array.viewed_array_buffer();
// 4. Let typeName be typedArray.[[TypedArrayName]].
auto type_name = typed_array.element_name();
auto const& type_name = typed_array.element_name();
// 5. Let type be the Element Type value in Table 72 for typeName.
// 6. If waitable is true, then
if (waitable) {
// a. If typeName is not "Int32Array" or "BigInt64Array", throw a TypeError exception.
if ((type_name != "Int32Array"sv) && (type_name != "BigInt64Array"sv))
if ((type_name != vm.names.Int32Array.as_string()) && (type_name != vm.names.BigInt64Array.as_string()))
return vm.throw_completion<TypeError>(global_object, ErrorType::TypedArrayTypeIsNot, type_name, "Int32 or BigInt64"sv);
}
// 7. Else,