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go/test/const8.go

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// run
// 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.
// Test that identifiers in implicit (omitted) RHS
// expressions of constant declarations are resolved
// in the correct context; see issues #49157, #53585.
package main
const X = 2
func main() {
const (
A = iota // 0
iota = iota // 1
B // 1 (iota is declared locally on prev. line)
C // 1
)
if A != 0 || B != 1 || C != 1 {
println("got", A, B, C, "want 0 1 1")
panic("FAILED")
}
const (
X = X + X
Y
Z = iota
)
if X != 4 || Y != 8 || Z != 1 {
println("got", X, Y, Z, "want 4 8 1")
panic("FAILED")
}
}