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hashes for refs should be an opt-in feature (#18098)

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Miran 2021-05-30 23:55:51 +02:00 • committed by GitHub
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lib/pure/hashes.nim
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@ -236,7 +236,7 @@ proc hash*[T](x: ptr[T]): Hash {.inline.} =
assert cast[pointer](a[0].addr).hash == a[0].addr.hash
hash(cast[pointer](x))
when not defined(nimLegacyNoHashRef):
when defined(nimEnableHashRef):
proc hash*[T](x: ref[T]): Hash {.inline.} =
## Efficient `hash` overload.
runnableExamples: