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runtime.Callers: make documentation match code

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It is a bug that Caller and Callers disagree about the offset of the skip
parameter. Document the bug.

R=rsc, dsymonds, r, iant
CC=golang-dev
https://golang.org/cl/5976064
This commit is contained in:
Rob Pike 2012-04-10 09:47:57 +10:00
parent 0669261af1
commit 6849c4db0c
1 changed files with 2 additions and 1 deletions
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3
src/pkg/runtime/extern.go
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@ -20,7 +20,8 @@ func Goexit()
// Caller reports file and line number information about function invocations on
// the calling goroutine's stack. The argument skip is the number of stack frames
// to ascend, with 0 identifying the caller of Caller. The return values report the
// to ascend, with 1 identifying the caller of Caller. (For historical reasons the
// meaning of skip differs between Caller and Callers.) The return values report the
// program counter, file name, and line number within the file of the corresponding
// call. The boolean ok is false if it was not possible to recover the information.
func Caller(skip int) (pc uintptr, file string, line int, ok bool)