go/pkg/mod/golang.org/x/[email protected]/errgroup/errgroup_example_md5all_test.go

// Pipeline demonstrates the use of a Group to implement a multi-stage
// pipeline: a version of the MD5All function with bounded parallelism from
// https://blog.golang.org/pipelines.
func ExampleGroup_pipeline() { … }

type result …

// MD5All reads all the files in the file tree rooted at root and returns a map
// from file path to the MD5 sum of the file's contents. If the directory walk
// fails or any read operation fails, MD5All returns an error.
func MD5All(ctx context.Context, root string) (map[string][md5.Size]byte, error) { … }