Packed union comparison

[Sze]

This seems like a duplicate of this topic:

Why are equality operators supported for packed structs but not packed unions?

Hi there! I have a slice of packed unions and I’d like to find the index of one particular value in the slice. Unfortunately, using std.mem.indexOfScalar doesn’t work because it tries to compare items using the equality operator ==. This works perfectly fine for packed structs, but not packed unions and I’m wondering why. Interestingly, when I simply nest the packed union inside of a packed struct, then suddenly the compiler is fine with it (although I’m not 100% sure if it works as expected o…