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64 lines
1.2 KiB
64 lines
1.2 KiB
6 years ago
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package errgroup
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import (
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"context"
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)
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func fakeRunTask(ctx context.Context) error {
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return nil
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}
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func ExampleGroup_group() {
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g := Group{}
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g.Go(func(context.Context) error {
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return fakeRunTask(context.Background())
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})
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g.Go(func(context.Context) error {
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return fakeRunTask(context.Background())
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})
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if err := g.Wait(); err != nil {
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// handle err
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}
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}
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func ExampleGroup_ctx() {
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g := WithContext(context.Background())
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g.Go(func(ctx context.Context) error {
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return fakeRunTask(ctx)
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})
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g.Go(func(ctx context.Context) error {
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return fakeRunTask(ctx)
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})
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if err := g.Wait(); err != nil {
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// handle err
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}
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}
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func ExampleGroup_cancel() {
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g := WithCancel(context.Background())
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g.Go(func(ctx context.Context) error {
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return fakeRunTask(ctx)
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})
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g.Go(func(ctx context.Context) error {
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return fakeRunTask(ctx)
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})
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if err := g.Wait(); err != nil {
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// handle err
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}
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}
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func ExampleGroup_maxproc() {
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g := Group{}
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// set max concurrency
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g.GOMAXPROCS(2)
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g.Go(func(ctx context.Context) error {
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return fakeRunTask(context.Background())
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})
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g.Go(func(ctx context.Context) error {
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return fakeRunTask(context.Background())
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})
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if err := g.Wait(); err != nil {
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// handle err
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}
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}
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