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// compile -G=3
// 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 _[T C1](ch T) {
close(ch)
}
func _[T C3](ch T) {
close(ch)
}
func _[T C4](ch T) {
close(ch)
}
func _[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 _[T M1](m T) {
delete(m, "foo")
}
func _[T M2](m T) {
delete(m, "foo")
}
func _[T M4[rune, V], V any](m T) {
delete(m, 'k')
}
// make
type Bmc interface {
~map[rune]string | ~chan int
}
type Bms interface {
~map[string]int | ~[]int
}
type Bcs interface {
~chan bool | ~[]float64
}
type Bss interface {
~[]int | ~[]string
}
func _[T Bmc]() {
_ = make(T)
_ = make(T, 10)
}
func _[T Bms]() {
_ = make(T, 10)
}
func _[T Bcs]() {
_ = make(T, 10)
}
func _[T Bss]() {
_ = make(T, 10)
_ = make(T, 10, 20)
}
// len/cap
type Slice[T any] interface {
type []T
}
func _[T any, S Slice[T]]() {
x := make(S, 5, 10)
_ = len(x)
_ = cap(x)
}
// append
func _[T any, S Slice[T]]() {
x := make(S, 5)
y := make(S, 2)
var z T
_ = append(x, y...)
_ = append(x, z)
}
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