Switch to ForAttributeWithMetadataName
#41
Merged
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.NET 7 introduced an optimised api for source generation,
ForAttributeWithMetadataName
, which takes care of finding all types decorated with a given attribute, skipping any symbols where it's not possible, greatly reducing the perf impact.This PR also introduces
EquatableArray
as a wrapper for a native array to ensure we correctly compare identical types, and avoid unnccessary output