+++ /dev/null
-/*
- * Copyright (c) 2013-2016 Dave Collins <dave@davec.name>
- *
- * Permission to use, copy, modify, and distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-
-package spew_test
-
-import (
- "fmt"
-
- "github.com/davecgh/go-spew/spew"
-)
-
-type Flag int
-
-const (
- flagOne Flag = iota
- flagTwo
-)
-
-var flagStrings = map[Flag]string{
- flagOne: "flagOne",
- flagTwo: "flagTwo",
-}
-
-func (f Flag) String() string {
- if s, ok := flagStrings[f]; ok {
- return s
- }
- return fmt.Sprintf("Unknown flag (%d)", int(f))
-}
-
-type Bar struct {
- data uintptr
-}
-
-type Foo struct {
- unexportedField Bar
- ExportedField map[interface{}]interface{}
-}
-
-// This example demonstrates how to use Dump to dump variables to stdout.
-func ExampleDump() {
- // The following package level declarations are assumed for this example:
- /*
- type Flag int
-
- const (
- flagOne Flag = iota
- flagTwo
- )
-
- var flagStrings = map[Flag]string{
- flagOne: "flagOne",
- flagTwo: "flagTwo",
- }
-
- func (f Flag) String() string {
- if s, ok := flagStrings[f]; ok {
- return s
- }
- return fmt.Sprintf("Unknown flag (%d)", int(f))
- }
-
- type Bar struct {
- data uintptr
- }
-
- type Foo struct {
- unexportedField Bar
- ExportedField map[interface{}]interface{}
- }
- */
-
- // Setup some sample data structures for the example.
- bar := Bar{uintptr(0)}
- s1 := Foo{bar, map[interface{}]interface{}{"one": true}}
- f := Flag(5)
- b := []byte{
- 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18,
- 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20,
- 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28,
- 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, 0x30,
- 0x31, 0x32,
- }
-
- // Dump!
- spew.Dump(s1, f, b)
-
- // Output:
- // (spew_test.Foo) {
- // unexportedField: (spew_test.Bar) {
- // data: (uintptr) <nil>
- // },
- // ExportedField: (map[interface {}]interface {}) (len=1) {
- // (string) (len=3) "one": (bool) true
- // }
- // }
- // (spew_test.Flag) Unknown flag (5)
- // ([]uint8) (len=34 cap=34) {
- // 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|
- // }
- //
-}
-
-// This example demonstrates how to use Printf to display a variable with a
-// format string and inline formatting.
-func ExamplePrintf() {
- // Create a double pointer to a uint 8.
- ui8 := uint8(5)
- pui8 := &ui8
- ppui8 := &pui8
-
- // Create a circular data type.
- type circular struct {
- ui8 uint8
- c *circular
- }
- c := circular{ui8: 1}
- c.c = &c
-
- // Print!
- spew.Printf("ppui8: %v\n", ppui8)
- spew.Printf("circular: %v\n", c)
-
- // Output:
- // ppui8: <**>5
- // circular: {1 <*>{1 <*><shown>}}
-}
-
-// This example demonstrates how to use a ConfigState.
-func ExampleConfigState() {
- // Modify the indent level of the ConfigState only. The global
- // configuration is not modified.
- scs := spew.ConfigState{Indent: "\t"}
-
- // Output using the ConfigState instance.
- v := map[string]int{"one": 1}
- scs.Printf("v: %v\n", v)
- scs.Dump(v)
-
- // Output:
- // v: map[one:1]
- // (map[string]int) (len=1) {
- // (string) (len=3) "one": (int) 1
- // }
-}
-
-// This example demonstrates how to use ConfigState.Dump to dump variables to
-// stdout
-func ExampleConfigState_Dump() {
- // See the top-level Dump example for details on the types used in this
- // example.
-
- // Create two ConfigState instances with different indentation.
- scs := spew.ConfigState{Indent: "\t"}
- scs2 := spew.ConfigState{Indent: " "}
-
- // Setup some sample data structures for the example.
- bar := Bar{uintptr(0)}
- s1 := Foo{bar, map[interface{}]interface{}{"one": true}}
-
- // Dump using the ConfigState instances.
- scs.Dump(s1)
- scs2.Dump(s1)
-
- // Output:
- // (spew_test.Foo) {
- // unexportedField: (spew_test.Bar) {
- // data: (uintptr) <nil>
- // },
- // ExportedField: (map[interface {}]interface {}) (len=1) {
- // (string) (len=3) "one": (bool) true
- // }
- // }
- // (spew_test.Foo) {
- // unexportedField: (spew_test.Bar) {
- // data: (uintptr) <nil>
- // },
- // ExportedField: (map[interface {}]interface {}) (len=1) {
- // (string) (len=3) "one": (bool) true
- // }
- // }
- //
-}
-
-// This example demonstrates how to use ConfigState.Printf to display a variable
-// with a format string and inline formatting.
-func ExampleConfigState_Printf() {
- // See the top-level Dump example for details on the types used in this
- // example.
-
- // Create two ConfigState instances and modify the method handling of the
- // first ConfigState only.
- scs := spew.NewDefaultConfig()
- scs2 := spew.NewDefaultConfig()
- scs.DisableMethods = true
-
- // Alternatively
- // scs := spew.ConfigState{Indent: " ", DisableMethods: true}
- // scs2 := spew.ConfigState{Indent: " "}
-
- // This is of type Flag which implements a Stringer and has raw value 1.
- f := flagTwo
-
- // Dump using the ConfigState instances.
- scs.Printf("f: %v\n", f)
- scs2.Printf("f: %v\n", f)
-
- // Output:
- // f: 1
- // f: flagTwo
-}
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