golang iota 代码
文件路径：/src/go/doc/testdata/examples/iota.go
/ Copyright 2021 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 foo_test
const (
a = iota
b
)
const (
c = 3
d = 4
)
const (
e = iota
f
)
/ The example refers to only one of the constants in the iota group, but we
/ must keep all of them because of the iota. The second group of constants can
/ be trimmed. The third has an iota, but is unused, so it can be eliminated.
func Example() {
_ = b
_ = d
}
/ Need two examples to hit the playExample function.
func Example2() {
}