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![Ian Lance Taylor](/assets/img/avatar_default.png)
It has moved to golang.org/x/exp/constraints. Perhaps it will move back to the standard library in a future release. For golang/go#45458 Fixes golang/go#50792 Change-Id: I93aa251a7afe7b329a3d3faadc0c5d6388b1f0e9 Reviewed-on: https://go-review.googlesource.com/c/go/+/382460 Trust: Ian Lance Taylor <iant@golang.org> Run-TryBot: Ian Lance Taylor <iant@golang.org> Reviewed-by: Robert Griesemer <gri@golang.org> TryBot-Result: Gopher Robot <gobot@golang.org>
36 lines
613 B
Go
36 lines
613 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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import (
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"fmt"
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)
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type Complex interface {
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~complex64 | ~complex128
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}
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func zero[T Complex]() T {
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return T(0)
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}
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func pi[T Complex]() T {
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return T(3.14)
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}
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func sqrtN1[T Complex]() T {
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return T(-1i)
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}
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func main() {
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fmt.Println(zero[complex128]())
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fmt.Println(pi[complex128]())
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fmt.Println(sqrtN1[complex128]())
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fmt.Println(zero[complex64]())
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fmt.Println(pi[complex64]())
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fmt.Println(sqrtN1[complex64]())
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}
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