Use Hamster::Set in checksummer for speed #887
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| digest.update(obj.class.to_s) | ||
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| if visited.include?(obj) | ||
| digest.update('<recur>') | ||
| else | ||
| digest.update('<') | ||
| behavior_for(obj).update(obj, digest) { |o| update(o, digest, visited + [obj]) } | ||
| behavior_for(obj).update(obj, digest) { |o| update(o, digest, visited.add(obj)) } |
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I could’ve left it that way, but #add is a nicer API, and it’s likely faster as well.
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Using Ruby’s
Setin an immutable way is slow.Hamster::Set, from Hamster, is significantly faster.Example: 1138s → 50s
Fixes #864.