1 // errorcheck 2 3 // Copyright 2017 The Go Authors. All rights reserved. 4 // Use of this source code is governed by a BSD-style 5 // license that can be found in the LICENSE file. 6 7 // Verify that copy arguments requirements are enforced by the 8 // compiler. 9 10 package main 11 12 func main() { 13 14 si := make([]int, 8) 15 sf := make([]float64, 8) 16 17 _ = copy() // ERROR "missing arguments" 18 _ = copy(1, 2, 3) // ERROR "too many arguments" 19 20 _ = copy(si, "hi") // ERROR "have different element types.*int.*string" 21 _ = copy(si, sf) // ERROR "have different element types.*int.*float64" 22 23 _ = copy(1, 2) // ERROR "must be slices; have int, int" 24 _ = copy(1, si) // ERROR "first argument to copy should be" 25 _ = copy(si, 2) // ERROR "second argument to copy should be" 26 27 } 28
