xerrors

README

xerrors

Installation

go get github.com/ergosit/xerrors

License

This package is licensed under the terms of the MIT License (see LICENSE file).

Documentation

Overview

Package xerrors extends the errors package from the standard library.

Index

• func Must(err error)
• func Must2[T any](value T, err error) T
• func Tail[T any](_ T, err error) error
• func Tail2[T1, T2 any](_ T1, _ T2, err error) error

Functions

func Must

func Must(err error)

Must panics if the given error is non-nil. It can wrap a call to a function that returns error.

func Must2

func Must2[T any](value T, err error) T

Must2 returns its first passed argument or panics if the second one is non-nil error. It can wrap a call to a function that returns (T, error).

func Tail

func Tail[T any](_ T, err error) error

Tail ignores the first argument and returns the second argument, which is an error. It can wrap a call to a function that returns (T, error).

func Tail2

func Tail2[T1, T2 any](_ T1, _ T2, err error) error

Tail2 ignores the first and second arguments and returns the third argument, which is an error. It can wrap a call to a function that returns (T1, T2, error).