toerror

Documentation

Overview

Package toerror contains the implementation of the toerror plugin, which generates the deriveToError function.

The deriveToError function transforms return type of a function from (B..., bool) into (B..., error).

deriveToError(e error, f func(A...) (B..., bool)) func(A...) (B..., error)

Index

• func New(typesMap derive.TypesMap, p derive.Printer, deps map[string]derive.Dependency) derive.Generator
• func NewPlugin() derive.Plugin

Functions

func New

func New(typesMap derive.TypesMap, p derive.Printer, deps map[string]derive.Dependency) derive.Generator

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

func NewPlugin

func NewPlugin() derive.Plugin

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