The parallel package provides a way of running functions concurrently while limiting the maximum number running at once.



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    type Errors

    type Errors []error

      Errors holds any errors encountered during the parallel run.

      func (Errors) Error

      func (errs Errors) Error() string

      type Run

      type Run struct {
      	// contains filtered or unexported fields

        Run represents a number of functions running concurrently.

        func NewRun

        func NewRun(maxPar int) *Run

          NewRun returns a new parallel instance. It will run up to maxPar functions concurrently.

          func (*Run) Do

          func (r *Run) Do(f func() error)

            Do requests that r run f concurrently. If there are already the maximum number of functions running concurrently, it will block until one of them has completed. Do may itself be called concurrently.

            func (*Run) Wait

            func (r *Run) Wait() error

              Wait marks the parallel instance as complete and waits for all the functions to complete. If any errors were encountered, it returns an Errors value describing all the errors in arbitrary order.

              Source Files