blob: 913c56321cc7a6f790483d608b55b37e14593727 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
|
// run -gcflags=-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 main
import "reflect"
func f[T any](i interface{}) {
switch x := i.(type) {
case T:
println("T", x)
case int:
println("int", x)
case int32, int16:
println("int32/int16", reflect.ValueOf(x).Int())
case struct { a, b T }:
println("struct{T,T}", x.a, x.b)
default:
println("other", reflect.ValueOf(x).Int())
}
}
func main() {
f[float64](float64(6))
f[float64](int(7))
f[float64](int32(8))
f[float64](struct{a, b float64}{a:1, b:2})
f[float64](int8(9))
}
|
