github.com/karrick/go@v0.0.0-20170817181416-d5b0ec858b37/test/typecheckloop.go (about) 1 // errorcheck 2 3 // Copyright 2015 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 constant definition loops are caught during 8 // typechecking and that the errors print correctly. 9 10 package main 11 12 const A = 1 + B // ERROR "constant definition loop\n.*A uses B\n.*B uses C\n.*C uses A" 13 const B = C - 1 // ERROR "constant definition loop\n.*B uses C\n.*C uses B" 14 const C = A + B + 1