The highest tagged major version is v4.

concurrently

package

v3.136.1 Latest Latest Go to latest Published: Aug 4, 2026 License: MIT Imports: 3 Imported by: 0

Details

Package concurrently has helpers for writing concurrent code.

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func Map[In, Out any, InS ~[]In](ctx context.Context, in InS, f func(context.Context, int, In) (Out, error), opts ...Option) ([]Out, error)

Map transforms an input slice into an output slice via a function f. It calls f as concurrently as reasonably possible (up to GOMAXPROCS by default).

type Option func(*config)

Option funcs alter how the concurrent algorithms behave.

func WithWorkerCount(n int) Option

WithWorkerCount overrides the default worker count for the operation. If n ≤ 0, it uses the default worker count.