Struct
Value
Object
Object
Generates an UInt64 hash value for this object.
This method must have the property that a == b implies a.hash == b.hash.
The hash value is used along with == by the Hash class to determine if two objects reference the same hash key.
Subclasses must not override this method. Instead, they must define hash(hasher), though usually the macro def_hash can be used to generate this method.
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Licensed under the Apache License, Version 2.0.
https://crystal-lang.org/api/0.35.1/Hash/Entry.html