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runtime: make Frames example produce documented output 

Fixes #70057

Change-Id: I286822f844fcb95fa8b55bfc30fe472d0ba11de0
This commit is contained in:
Jes Cok 2024-11-09 21:44:24 +08:00
parent c96939fbed
commit db4863c05e
1 changed files with 6 additions and 7 deletions
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13
src/runtime/example_test.go
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@ -32,15 +32,14 @@ func ExampleFrames() {
for {
frame, more := frames.Next()
// Process this frame.
//
// To keep this example's output stable
// even if there are changes in the testing package,
// stop unwinding when we leave package runtime.
if !strings.Contains(frame.File, "runtime/") {
// Canonicalize function name and skip callers of this function
// for predictable example output.
// You probably don't need this in your own code.
function := strings.ReplaceAll(frame.Function, "main.main", "runtime_test.ExampleFrames")
fmt.Printf("- more:%v | %s\n", more, function)
if function == "runtime_test.ExampleFrames" {
break
}
fmt.Printf("- more:%v | %s\n", more, frame.Function)
// Check whether there are more frames to process after this one.
if !more {