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[](https://godoc.org/github.com/go-stack/stack)
[](https://goreportcard.com/report/go-stack/stack)
[](https://travis-ci.org/go-stack/stack)
[](https://coveralls.io/github/go-stack/stack?branch=master)
# stack
Package stack implements utilities to capture, manipulate, and format call
stacks. It provides a simpler API than package runtime.
The implementation takes care of the minutia and special cases of interpreting
the program counter (pc) values returned by runtime.Callers.
## Versioning
Package stack publishes releases via [semver](http://semver.org/) compatible Git
tags prefixed with a single 'v'. The master branch always contains the latest
release. The develop branch contains unreleased commits.
## Formatting
Package stack's types implement fmt.Formatter, which provides a simple and
flexible way to declaratively configure formatting when used with logging or
error tracking packages.
```go
func DoTheThing() {
c := stack.Caller(0)
log.Print(c) // "source.go:10"
log.Printf("%+v", c) // "pkg/path/source.go:10"
log.Printf("%n", c) // "DoTheThing"
s := stack.Trace().TrimRuntime()
log.Print(s) // "[source.go:15 caller.go:42 main.go:14]"
}
```
See the docs for all of the supported formatting options.
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