mirror of
https://github.com/golang/go
synced 2024-11-18 08:44:43 -07:00
28 lines
760 B
Go
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"
|
||
|
|
|
||
|
|
}
|