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// 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 main
import (
"sort"
"strings"
"issue20014.dir/a"
)
func main() {
samePackage()
crossPackage()
// Print fields registered with field tracking.
var fields []string
for _, line := range strings.Split(fieldTrackInfo, "\n") {
if line != "" {
fields = append(fields, strings.Split(line, "\t")[0])
}
}
sort.Strings(fields) // for stable output, regardless of optimizations
for _, field := range fields {
println(field)
}
}
type T struct {
X int `go:"track"`
Y int `go:"track"`
Z int // untracked
}
func (t *T) GetX() int {
return t.X
}
func (t *T) GetY() int {
return t.Y
}
func (t *T) GetZ() int {
return t.Z
}
func samePackage() {
var t T
println(t.GetX())
println(t.GetZ())
}
func crossPackage() {
var t a.T
println(t.GetX())
println(t.GetZ())
}
// This global variable is set by the linker using the -k option.
var fieldTrackInfo string
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