diff options
| author | Keith Randall <khr@golang.org> | 2021-07-30 14:00:27 -0700 |
|---|---|---|
| committer | Keith Randall <khr@golang.org> | 2021-07-31 17:03:07 +0000 |
| commit | 0b8a9ccb25cd9b8f78eb47b1934522af3fb4108f (patch) | |
| tree | cb79c4ab8790ab8f71fe262dd76eb81e602ce210 /test | |
| parent | 7bed50e667cf1b4ba5b2ec7ca699c835c696e454 (diff) | |
| download | go-0b8a9ccb25cd9b8f78eb47b1934522af3fb4108f.tar.gz go-0b8a9ccb25cd9b8f78eb47b1934522af3fb4108f.zip | |
[dev.typeparams] cmd/compile: make all pointer types have the same shape
Except unsafe.Pointer. It has a different Kind, which makes it trickier.
Change-Id: I12582afb6e591bea35da9e43ac8d141ed19532a3
Reviewed-on: https://go-review.googlesource.com/c/go/+/338749
Trust: Keith Randall <khr@golang.org>
Trust: Dan Scales <danscales@google.com>
Run-TryBot: Keith Randall <khr@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Dan Scales <danscales@google.com>
Diffstat (limited to 'test')
| -rw-r--r-- | test/typeparam/shape1.go | 19 | ||||
| -rw-r--r-- | test/typeparam/shape1.out | 2 |
2 files changed, 20 insertions, 1 deletions
diff --git a/test/typeparam/shape1.go b/test/typeparam/shape1.go index 3c9e71ea63..de1ea65ed2 100644 --- a/test/typeparam/shape1.go +++ b/test/typeparam/shape1.go @@ -10,7 +10,8 @@ type I interface { foo() int } -// There should be a single instantiation of f in this program. +// There should be one instantiation of f for both squarer and doubler. +// Similarly, there should be one instantiation of f for both *incrementer and *decrementer. func f[T I](x T) int { return x.foo() } @@ -27,7 +28,23 @@ func (x doubler) foo() int { return int(2*x) } +type incrementer int16 + +func (x *incrementer) foo() int { + return int(*x+1) +} + +type decrementer int32 + +func (x *decrementer) foo() int{ + return int(*x-1) +} + func main() { println(f(squarer(5))) println(f(doubler(5))) + var i incrementer = 5 + println(f(&i)) + var d decrementer = 5 + println(f(&d)) } diff --git a/test/typeparam/shape1.out b/test/typeparam/shape1.out index 28391fde66..da9a12ded5 100644 --- a/test/typeparam/shape1.out +++ b/test/typeparam/shape1.out @@ -1,2 +1,4 @@ 25 10 +6 +4 |