mirror of
https://github.com/golang/go
synced 2024-11-23 00:30:07 -07:00
e24977d231
The next CL will remove the -G flag, effectively hard-coding it to its current default (-G=3). Change-Id: Ib4743b529206928f9f1cca9fdb19989728327831 Reviewed-on: https://go-review.googlesource.com/c/go/+/388534 Reviewed-by: Keith Randall <khr@golang.org> Trust: Matthew Dempsky <mdempsky@google.com> Run-TryBot: Matthew Dempsky <mdempsky@google.com> TryBot-Result: Gopher Robot <gobot@golang.org>
113 lines
1.9 KiB
Go
113 lines
1.9 KiB
Go
// compile
|
|
|
|
// Copyright 2020 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.
|
|
|
|
// This file tests built-in calls on generic types.
|
|
|
|
// derived and expanded from cmd/compile/internal/types2/testdata/check/builtins.go2
|
|
|
|
package builtins
|
|
|
|
// close
|
|
|
|
type C0 interface{ int }
|
|
type C1 interface{ chan int }
|
|
type C2 interface{ chan int | <-chan int }
|
|
type C3 interface{ chan int | chan float32 }
|
|
type C4 interface{ chan int | chan<- int }
|
|
type C5[T any] interface{ ~chan T | chan<- T }
|
|
|
|
func f1[T C1](ch T) {
|
|
close(ch)
|
|
}
|
|
|
|
func f2[T C3](ch T) {
|
|
close(ch)
|
|
}
|
|
|
|
func f3[T C4](ch T) {
|
|
close(ch)
|
|
}
|
|
|
|
func f4[T C5[X], X any](ch T) {
|
|
close(ch)
|
|
}
|
|
|
|
// delete
|
|
|
|
type M0 interface{ int }
|
|
type M1 interface{ map[string]int }
|
|
type M2 interface {
|
|
map[string]int | map[string]float64
|
|
}
|
|
type M3 interface{ map[string]int | map[rune]int }
|
|
type M4[K comparable, V any] interface{ map[K]V | map[rune]V }
|
|
|
|
func g1[T M1](m T) {
|
|
delete(m, "foo")
|
|
}
|
|
|
|
func g2[T M2](m T) {
|
|
delete(m, "foo")
|
|
}
|
|
|
|
func g3[T M4[rune, V], V any](m T) {
|
|
delete(m, 'k')
|
|
}
|
|
|
|
// make
|
|
|
|
func m1[
|
|
S1 interface{ []int },
|
|
S2 interface{ []int | chan int },
|
|
|
|
M1 interface{ map[string]int },
|
|
M2 interface{ map[string]int | chan int },
|
|
|
|
C1 interface{ chan int },
|
|
C2 interface{ chan int | chan string },
|
|
]() {
|
|
_ = make([]int, 10)
|
|
_ = make(m1S0, 10)
|
|
_ = make(S1, 10)
|
|
_ = make(S1, 10, 20)
|
|
|
|
_ = make(map[string]int)
|
|
_ = make(m1M0)
|
|
_ = make(M1)
|
|
_ = make(M1, 10)
|
|
|
|
_ = make(chan int)
|
|
_ = make(m1C0)
|
|
_ = make(C1)
|
|
_ = make(C1, 10)
|
|
}
|
|
// TODO: put these type declarations back inside m1 when issue 47631 is fixed.
|
|
type m1S0 []int
|
|
type m1M0 map[string]int
|
|
type m1C0 chan int
|
|
|
|
// len/cap
|
|
|
|
type Slice[T any] interface {
|
|
[]T
|
|
}
|
|
|
|
func c1[T any, S Slice[T]]() {
|
|
x := make(S, 5, 10)
|
|
_ = len(x)
|
|
_ = cap(x)
|
|
}
|
|
|
|
// append
|
|
|
|
func a1[T any, S Slice[T]]() {
|
|
x := make(S, 5)
|
|
y := make(S, 2)
|
|
var z T
|
|
_ = append(x, y...)
|
|
_ = append(x, z)
|
|
}
|