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author | Keith Randall <khr@golang.org> | 2021-12-03 13:57:25 -0800 |
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committer | Keith Randall <khr@golang.org> | 2021-12-03 22:57:02 +0000 |
commit | 9ae0b35fad5d4bb95cdcf4a05fcf4b077a798572 (patch) | |
tree | e22af07ec32a9eb53db2ac3ad5df93db7b33d7e1 /test | |
parent | d20a0bfc8a7fd70537766990691d4c9e5841e086 (diff) | |
download | go-9ae0b35fad5d4bb95cdcf4a05fcf4b077a798572.tar.gz go-9ae0b35fad5d4bb95cdcf4a05fcf4b077a798572.zip |
test: add test of select inside generic function
Make sure that we can import/export selects for generics.
Change-Id: Ibf36e98fc574ce9275820aa426b3e6703b0aae6d
Reviewed-on: https://go-review.googlesource.com/c/go/+/369101
Trust: Keith Randall <khr@golang.org>
Trust: Dan Scales <danscales@google.com>
Run-TryBot: Keith Randall <khr@golang.org>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Dan Scales <danscales@google.com>
Diffstat (limited to 'test')
-rw-r--r-- | test/typeparam/select.dir/a.go | 15 | ||||
-rw-r--r-- | test/typeparam/select.dir/main.go | 28 | ||||
-rw-r--r-- | test/typeparam/select.go | 7 |
3 files changed, 50 insertions, 0 deletions
diff --git a/test/typeparam/select.dir/a.go b/test/typeparam/select.dir/a.go new file mode 100644 index 0000000000..983e4b1d5f --- /dev/null +++ b/test/typeparam/select.dir/a.go @@ -0,0 +1,15 @@ +// Copyright 2021 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package a + +func F[T any](c, d chan T) T { + select { + case x := <- c: + return x + case x := <- d: + return x + } +} + diff --git a/test/typeparam/select.dir/main.go b/test/typeparam/select.dir/main.go new file mode 100644 index 0000000000..6ea3fe2eea --- /dev/null +++ b/test/typeparam/select.dir/main.go @@ -0,0 +1,28 @@ +// Copyright 2021 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +import ( + "sort" + + "./a" +) + +func main() { + c := make(chan int, 1) + d := make(chan int, 1) + + c <- 5 + d <- 6 + + var r [2]int + r[0] = a.F(c, d) + r[1] = a.F(c, d) + sort.Ints(r[:]) + + if r != [2]int{5, 6} { + panic("incorrect results") + } +} diff --git a/test/typeparam/select.go b/test/typeparam/select.go new file mode 100644 index 0000000000..76930e5e4f --- /dev/null +++ b/test/typeparam/select.go @@ -0,0 +1,7 @@ +// rundir -G=3 + +// Copyright 2021 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package ignored |