Support compare functions with SortSlices and SortMaps #367
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The SortSlices and SortMaps options predate generics and
accept an interface{}, so it is possible with reflection
to support other function signatures than "func(T, T) bool".
In particular, the Go ecosystem is increasingly moving towards
"func(T, T) int" as the signature for ordering as evidenced
by the newer slices.SortFunc function in stdlib.
Thus, modernize cmpopts by supporting "func(T, T) int".
Also, bump the minimum version to Go 1.21 to match
the minimum supported version of google.golang.org/protobuf.
Fixes #365
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dsnet
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Oct 23, 2024
| @@ -1,3 +1,3 @@ | |||
| module github.com/google/go-cmp | |||
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| go 1.13 | |||
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Wow. From 4 years ago!
neild
approved these changes
Oct 23, 2024
|
CI are hosed and I don't have permissions to fix them, so you may need to merge on my behalf. |
|
Thanks! |
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The SortSlices and SortMaps options predate generics and
accept an interface{}, so it is possible with reflection to support other function signatures than "func(T, T) bool".
In particular, the Go ecosystem is increasingly moving towards "func(T, T) int" as the signature for ordering as evidenced by the newer slices.SortFunc function in stdlib.
Thus, modernize cmpopts by supporting "func(T, T) int".
Fixes #365