syncx

Documentation

Index

• type SucceedOnce
  • func (o *SucceedOnce) Do(ctx context.Context, fn func(ctx context.Context) error) error

Types

type SucceedOnce

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

SucceedOnce is a sync.Once variant that allows for the operation to fail.

func (*SucceedOnce) Do

func (o *SucceedOnce) Do(
	ctx context.Context,
	fn func(ctx context.Context) error,
) error

Do executes the fn if and only if it has not been called successfully before.