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go/types, types2: superfluous extra error message when type inference fails #50932

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griesemer opened this issue Jan 31, 2022 · 0 comments
Open

go/types, types2: superfluous extra error message when type inference fails #50932

griesemer opened this issue Jan 31, 2022 · 0 comments
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Go1.19

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@griesemer griesemer commented Jan 31, 2022 

package p

type T[A, B any] struct{}

func _() {
        type _ T[int]
}

produces two errors:

testdata/manual.go2:13:16: cannot infer B (testdata/manual.go2:10:11)
testdata/manual.go2:13:16: got 1 arguments but 2 type parameters

One would suffice.
@griesemer griesemer added the NeedsFix label Jan 31, 2022
@griesemer griesemer added this to the Go1.19 milestone Jan 31, 2022
@griesemer griesemer self-assigned this Jan 31, 2022
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