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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 // 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 // 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 // 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. // 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) func Caller(skip int) (pc uintptr, file string, line int, ok bool)