singleflight

Documentation

Index

• type Group
  • func NewGroup(initialCap int) *Group
  • func (g *Group) Call(key string, fn func() (interface{}, error)) (interface{}, error)
  • func (g *Group) Delete(key string)
  • func (g *Group) Reset()

Types

type Group

type Group struct {
	// contains filtered or unexported fields
}

Group stores all function calls in it.

func NewGroup

func NewGroup(initialCap int) *Group

NewGroup returns a new Group with initialCap.

func (*Group) Call

func (g *Group) Call(key string, fn func() (interface{}, error)) (interface{}, error)

Call calls fn in singleflight mode and returns its result and error.

func (*Group) Delete

func (g *Group) Delete(key string)

Delete deletes the call of key so a new call can be called.

func (*Group) Reset

func (g *Group) Reset()

Reset resets group to initial status.