errgroup

Documentation

Index

• type ErrGroup
  • func New() *ErrGroup
  • func (g *ErrGroup) Go(f func() error)
  • func (g *ErrGroup) Wait() error

Types

type ErrGroup

type ErrGroup struct {
	sync.Mutex
	// contains filtered or unexported fields
}

ErrGroup is a group of functions that will exit on first error

func New

func New() *ErrGroup

New creeats a new errgroup

func (*ErrGroup) Go

func (g *ErrGroup) Go(f func() error)

Go calls the given function in a new goroutine. must not be called after wait is called

func (*ErrGroup) Wait

func (g *ErrGroup) Wait() error

Wait returns on first error or when all functions finish. On error, it does not wait for the other functions, so this should only be used if the program will exit.