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go/test/copy1.go
Matthew Dempsky 38642b9fce Revert "cmd/compile: rewrite f(g()) for multi-value g() during typecheck"
This reverts commit d96b7fbf98.

Reason for revert: broke noopt and longtest builders.

Change-Id: Ifaec64d817c4336cb255a2e9db00526b7bc5606a
Reviewed-on: https://go-review.googlesource.com/c/164757
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2019-03-01 05:58:51 +00:00

28 lines
760 B
Go

// errorcheck
// Copyright 2017 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.
// Verify that copy arguments requirements are enforced by the
// compiler.
package main
func main() {
si := make([]int, 8)
sf := make([]float64, 8)
_ = copy() // ERROR "missing arguments"
_ = copy(1, 2, 3) // ERROR "too many arguments"
_ = copy(si, "hi") // ERROR "have different element types.*int.*string"
_ = copy(si, sf) // ERROR "have different element types.*int.*float64"
_ = copy(1, 2) // ERROR "must be slices; have int, int"
_ = copy(1, si) // ERROR "first argument to copy should be"
_ = copy(si, 2) // ERROR "second argument to copy should be"
}