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d107aa2cd1
Generic instantiations can produce conversions from constant literal ints or floats to complex values. We could constant literals during instantiation, but it is just as easy to upgrade the code generator to do the conversions. Fixes #50193 Change-Id: I24bdc09226c8e868f6282e0e4057ba6c3ad5c41a Reviewed-on: https://go-review.googlesource.com/c/go/+/372514 Trust: Keith Randall <khr@golang.org> Run-TryBot: Keith Randall <khr@golang.org> Trust: Dan Scales <danscales@google.com> Reviewed-by: Dan Scales <danscales@google.com> Reviewed-by: Cherry Mui <cherryyz@google.com> TryBot-Result: Gopher Robot <gobot@golang.org>
33 lines
610 B
Go
33 lines
610 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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"constraints"
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"fmt"
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)
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func zero[T constraints.Complex]() T {
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return T(0)
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}
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func pi[T constraints.Complex]() T {
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return T(3.14)
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}
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func sqrtN1[T constraints.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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