// errorcheck // Copyright 2022 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. package p func _(s []int) { var i, j, k, l int _, _, _, _ = i, j, k, l for range s {} for i = range s {} for i, j = range s {} for i, j, k = range s {} // ERROR "range clause permits at most two iteration variables" for i, j, k, l = range s {} // ERROR "range clause permits at most two iteration variables" } func _(s chan int) { var i, j, k, l int _, _, _, _ = i, j, k, l for range s {} for i = range s {} for i, j = range s {} // ERROR "range over .* permits only one iteration variable" for i, j, k = range s {} // ERROR "range over .* permits only one iteration variable" for i, j, k, l = range s {} // ERROR "range over .* permits only one iteration variable" }