[Issue 18679] std.complex.opEquals has opEquals but no toHash

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=18679

Nathan S. <n8sh.secondary at hotmail.com> changed:

           What    |Removed                     |Added
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                 CC|                            |n8sh.secondary at hotmail.com

--- Comment #2 from Nathan S. <n8sh.secondary at hotmail.com> ---
Vasyl Teliman: it is sufficient, which indicates that we don't actually need a
custom `toHash` here and the auto-generated hash for structs is sufficient.

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