Version: v0.0.0-...-49e55dd Latest Latest

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Published: Jul 20, 2021 License: Apache-2.0 Imports: 3 Imported by: 0



Package gostring contains the implementation of the gostring plugin, which generates the deriveGoString function.

The deriveGoString function returns a string that reproduces the argument's value in valid go syntax. The deriveGoString function does a recursive print, even printing pointer values, unlike the default %#v operand.

When goderive walks over your code it is looking for a function that:

- was not implemented (or was previously derived) and
- has a predefined prefix.

In the following code the deriveGoString function will be found, because it was not implemented and it has a prefix deriveGoString. This prefix is configurable.

package main

type MyStruct struct {
	Int64     int64
	StringPtr *string

func (this *MyStruct) GoString() string {
	return deriveGoString(this)

func main () {
	s := "abc"
	fmt.Printf("%#v", &MyStruct{StringPtr: &s})

The %#v fmt operand will then invoke the GoString method. GoString does a recursive print, even printing pointer values, unlike the default %#v operand.

Supported types:

- basic types
- named structs
- slices
- maps
- pointers to these types
- and many more

Unsupported types:

- chan
- interface
- function
- private fields
- unnamed structs

Example output can be found here: https://github.com/awalterschulze/goderive/tree/master/example/plugin/gostring

This plugin has been tested thoroughly.



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func New

New is a constructor for the gostring code generator. This generator should be reconstructed for each package.

func NewPlugin

func NewPlugin() derive.Plugin

NewPlugin creates a new gostring plugin. This function returns the plugin name, default prefix and a constructor for the gostring code generator.


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Source Files

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