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-rw-r--r-- | hash.c | 3 |
1 files changed, 3 insertions, 0 deletions
@@ -315,6 +315,9 @@ objid_hash(VALUE obj) * implementations of Ruby. If you need a stable identifier across Ruby * invocations and implementations you will need to generate one with a custom * method. + * + * Certain core classes such as Integer use built-in hash calculations and + * do not call the #hash method when used as a hash key. *-- * \private *++ |