derrors

Documentation

Overview

Package derrors defines internal error values to categorize the different types error semantics we support.

Index

• Variables
• func Wrap(errp *error, format string, args ...interface{})

Variables

var (
	// NotFound indicates that a requested entity was not found (HTTP 404).
	NotFound = errors.New("not found")

	// InvalidArgument indicates that the input into the request is invalid in
	// some way (HTTP 400).
	InvalidArgument = errors.New("invalid argument")
)

Functions

func Wrap

func Wrap(errp *error, format string, args ...interface{})

Wrap adds context to the error and allows unwrapping the result to recover the original error.

Example:

defer derrors.Wrap(&err, "copy(%s, %s)", src, dst)

See Add for an equivalent function that does not allow the result to be unwrapped.