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AK: Don't implicitly convert Optional<T&> to Optional<T>

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C++ will jovially select the implicit conversion operator, even if it's
complete bogus, such as for unknown-size types or non-destructible
types. Therefore, all such conversions (which incur a copy) must
(unfortunately) be explicit so that non-copyable types continue to work.

NOTE: We make an exception for trivially copyable types, since they
are, well, trivially copyable.

Co-authored-by: kleines Filmröllchen <filmroellchen@serenityos.org>
This commit is contained in:
Jonne Ransijn
2024-11-25 13:23:31 +01:00
committed by Ali Mohammad Pur
parent 8468fb9ae5
commit d7596a0a61
22 changed files with 118 additions and 40 deletions
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Libraries/LibWeb/FileAPI/BlobURLStore.h
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@@ -28,7 +28,7 @@ BlobURLStore& blob_url_store();
ErrorOr<String> generate_new_blob_url();
ErrorOr<String> add_entry_to_blob_url_store(GC::Ref<Blob> object);
ErrorOr<void> remove_entry_from_blob_url_store(StringView url);
Optional<BlobURLEntry> resolve_a_blob_url(URL::URL const&);
Optional<BlobURLEntry const&> resolve_a_blob_url(URL::URL const&);
void run_unloading_cleanup_steps(GC::Ref<DOM::Document>);