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ca3c6985cd
Add a new dynamicType node, which is used as a case entry when the type being switched to is generic. Change-Id: Ice77c6f224b8fdd3ff574fdf4a8ea5f6c7ddbe75 Reviewed-on: https://go-review.googlesource.com/c/go/+/339429 Trust: Keith Randall <khr@golang.org> Trust: Dan Scales <danscales@google.com> Run-TryBot: Keith Randall <khr@golang.org> Reviewed-by: Dan Scales <danscales@google.com>
29 lines
573 B
Go
29 lines
573 B
Go
// run -gcflags=-G=3
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// Copyright 2021 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package main
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type myint int
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func (x myint) foo() int {return int(x)}
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type myfloat float64
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func (x myfloat) foo() float64 {return float64(x) }
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func f[T any](i interface{}) {
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switch x := i.(type) {
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case interface { foo() T }:
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println("fooer", x.foo())
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default:
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println("other")
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}
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}
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func main() {
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f[int](myint(6))
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f[int](myfloat(7))
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f[float64](myint(8))
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f[float64](myfloat(9))
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}
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