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-go-spew
-=======
-
-[![Build Status](https://img.shields.io/travis/davecgh/go-spew.svg)]
-(https://travis-ci.org/davecgh/go-spew) [![ISC License]
-(http://img.shields.io/badge/license-ISC-blue.svg)](http://copyfree.org) [![Coverage Status]
-(https://img.shields.io/coveralls/davecgh/go-spew.svg)]
-(https://coveralls.io/r/davecgh/go-spew?branch=master)
-
-
-Go-spew implements a deep pretty printer for Go data structures to aid in
-debugging. A comprehensive suite of tests with 100% test coverage is provided
-to ensure proper functionality. See `test_coverage.txt` for the gocov coverage
-report. Go-spew is licensed under the liberal ISC license, so it may be used in
-open source or commercial projects.
-
-If you're interested in reading about how this package came to life and some
-of the challenges involved in providing a deep pretty printer, there is a blog
-post about it
-[here](https://web.archive.org/web/20160304013555/https://blog.cyphertite.com/go-spew-a-journey-into-dumping-go-data-structures/).
-
-## Documentation
-
-[![GoDoc](https://img.shields.io/badge/godoc-reference-blue.svg)]
-(http://godoc.org/github.com/davecgh/go-spew/spew)
-
-Full `go doc` style documentation for the project can be viewed online without
-installing this package by using the excellent GoDoc site here:
-http://godoc.org/github.com/davecgh/go-spew/spew
-
-You can also view the documentation locally once the package is installed with
-the `godoc` tool by running `godoc -http=":6060"` and pointing your browser to
-http://localhost:6060/pkg/github.com/davecgh/go-spew/spew
-
-## Installation
-
-```bash
-$ go get -u github.com/davecgh/go-spew/spew
-```
-
-## Quick Start
-
-Add this import line to the file you're working in:
-
-```Go
-import "github.com/davecgh/go-spew/spew"
-```
-
-To dump a variable with full newlines, indentation, type, and pointer
-information use Dump, Fdump, or Sdump:
-
-```Go
-spew.Dump(myVar1, myVar2, ...)
-spew.Fdump(someWriter, myVar1, myVar2, ...)
-str := spew.Sdump(myVar1, myVar2, ...)
-```
-
-Alternatively, if you would prefer to use format strings with a compacted inline
-printing style, use the convenience wrappers Printf, Fprintf, etc with %v (most
-compact), %+v (adds pointer addresses), %#v (adds types), or %#+v (adds types
-and pointer addresses):
-
-```Go
-spew.Printf("myVar1: %v -- myVar2: %+v", myVar1, myVar2)
-spew.Printf("myVar3: %#v -- myVar4: %#+v", myVar3, myVar4)
-spew.Fprintf(someWriter, "myVar1: %v -- myVar2: %+v", myVar1, myVar2)
-spew.Fprintf(someWriter, "myVar3: %#v -- myVar4: %#+v", myVar3, myVar4)
-```
-
-## Debugging a Web Application Example
-
-Here is an example of how you can use `spew.Sdump()` to help debug a web application. Please be sure to wrap your output using the `html.EscapeString()` function for safety reasons. You should also only use this debugging technique in a development environment, never in production.
-
-```Go
-package main
-
-import (
- "fmt"
- "html"
- "net/http"
-
- "github.com/davecgh/go-spew/spew"
-)
-
-func handler(w http.ResponseWriter, r *http.Request) {
- w.Header().Set("Content-Type", "text/html")
- fmt.Fprintf(w, "Hi there, %s!", r.URL.Path[1:])
- fmt.Fprintf(w, "<!--\n" + html.EscapeString(spew.Sdump(w)) + "\n-->")
-}
-
-func main() {
- http.HandleFunc("/", handler)
- http.ListenAndServe(":8080", nil)
-}
-```
-
-## Sample Dump Output
-
-```
-(main.Foo) {
- unexportedField: (*main.Bar)(0xf84002e210)({
- flag: (main.Flag) flagTwo,
- data: (uintptr) <nil>
- }),
- ExportedField: (map[interface {}]interface {}) {
- (string) "one": (bool) true
- }
-}
-([]uint8) {
- 00000000 11 12 13 14 15 16 17 18 19 1a 1b 1c 1d 1e 1f 20 |............... |
- 00000010 21 22 23 24 25 26 27 28 29 2a 2b 2c 2d 2e 2f 30 |!"#$%&'()*+,-./0|
- 00000020 31 32 |12|
-}
-```
-
-## Sample Formatter Output
-
-Double pointer to a uint8:
-```
- %v: <**>5
- %+v: <**>(0xf8400420d0->0xf8400420c8)5
- %#v: (**uint8)5
- %#+v: (**uint8)(0xf8400420d0->0xf8400420c8)5
-```
-
-Pointer to circular struct with a uint8 field and a pointer to itself:
-```
- %v: <*>{1 <*><shown>}
- %+v: <*>(0xf84003e260){ui8:1 c:<*>(0xf84003e260)<shown>}
- %#v: (*main.circular){ui8:(uint8)1 c:(*main.circular)<shown>}
- %#+v: (*main.circular)(0xf84003e260){ui8:(uint8)1 c:(*main.circular)(0xf84003e260)<shown>}
-```
-
-## Configuration Options
-
-Configuration of spew is handled by fields in the ConfigState type. For
-convenience, all of the top-level functions use a global state available via the
-spew.Config global.
-
-It is also possible to create a ConfigState instance that provides methods
-equivalent to the top-level functions. This allows concurrent configuration
-options. See the ConfigState documentation for more details.
-
-```
-* Indent
- String to use for each indentation level for Dump functions.
- It is a single space by default. A popular alternative is "\t".
-
-* MaxDepth
- Maximum number of levels to descend into nested data structures.
- There is no limit by default.
-
-* DisableMethods
- Disables invocation of error and Stringer interface methods.
- Method invocation is enabled by default.
-
-* DisablePointerMethods
- Disables invocation of error and Stringer interface methods on types
- which only accept pointer receivers from non-pointer variables. This option
- relies on access to the unsafe package, so it will not have any effect when
- running in environments without access to the unsafe package such as Google
- App Engine or with the "safe" build tag specified.
- Pointer method invocation is enabled by default.
-
-* DisablePointerAddresses
- DisablePointerAddresses specifies whether to disable the printing of
- pointer addresses. This is useful when diffing data structures in tests.
-
-* DisableCapacities
- DisableCapacities specifies whether to disable the printing of capacities
- for arrays, slices, maps and channels. This is useful when diffing data
- structures in tests.
-
-* ContinueOnMethod
- Enables recursion into types after invoking error and Stringer interface
- methods. Recursion after method invocation is disabled by default.
-
-* SortKeys
- Specifies map keys should be sorted before being printed. Use
- this to have a more deterministic, diffable output. Note that
- only native types (bool, int, uint, floats, uintptr and string)
- and types which implement error or Stringer interfaces are supported,
- with other types sorted according to the reflect.Value.String() output
- which guarantees display stability. Natural map order is used by
- default.
-
-* SpewKeys
- SpewKeys specifies that, as a last resort attempt, map keys should be
- spewed to strings and sorted by those strings. This is only considered
- if SortKeys is true.
-
-```
-
-## Unsafe Package Dependency
-
-This package relies on the unsafe package to perform some of the more advanced
-features, however it also supports a "limited" mode which allows it to work in
-environments where the unsafe package is not available. By default, it will
-operate in this mode on Google App Engine and when compiled with GopherJS. The
-"safe" build tag may also be specified to force the package to build without
-using the unsafe package.
-
-## License
-
-Go-spew is licensed under the [copyfree](http://copyfree.org) ISC License.