Make uuidof() return a static reference #887
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These methods currently return GUID by value which causes its unnecessary initialization in the stack instead of referring the value stored in a read-only section e.g.
.rdata
.https://rust.godbolt.org/z/7bA-yK - a rough example of what's going on.
This is a breaking change but it shouldn't be something drastically hard to follow. The reference may always be dereferenced and then mutably referenced in rare cases where the actual value or a mutable reference is needed since GUID is
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.