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* feat(coroutine): Added `Concurrent` and `Parallel` Signed-off-by: Flc゛ <[email protected]> * feat(coroutine): Added `Concurrent` and `Parallel` Signed-off-by: Flc゛ <[email protected]> * feat(coroutine): Added `Concurrent` and `Parallel` Signed-off-by: Flc゛ <[email protected]> --------- Signed-off-by: Flc゛ <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,25 @@ | ||
| package coroutine | ||
|
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| import "sync" | ||
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| func Concurrent(limit int, tasks ...func()) { | ||
| var ( | ||
| wg sync.WaitGroup | ||
| ch = make(chan struct{}, limit) | ||
| ) | ||
| defer close(ch) | ||
| wg.Add(len(tasks)) | ||
|
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| for _, task := range tasks { | ||
| ch <- struct{}{} | ||
| go func(task func()) { | ||
| defer func() { | ||
| <-ch | ||
| wg.Done() | ||
| }() | ||
| task() | ||
| }(task) | ||
| } | ||
|
|
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| wg.Wait() | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,39 @@ | ||
| package coroutine | ||
|
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| import ( | ||
| "bytes" | ||
| "sync" | ||
| "testing" | ||
| "time" | ||
|
|
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| "github.com/stretchr/testify/assert" | ||
| ) | ||
|
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| func TestConcurrent(t *testing.T) { | ||
| var ( | ||
| start = time.Now() | ||
| buffer bytes.Buffer | ||
| mu sync.Mutex | ||
| ) | ||
|
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| Concurrent(2, func() { | ||
| time.Sleep(1 * time.Second) | ||
| mu.Lock() | ||
| defer mu.Unlock() | ||
| buffer.WriteString("1") | ||
| }, func() { | ||
| time.Sleep(2 * time.Second) | ||
| mu.Lock() | ||
| defer mu.Unlock() | ||
| buffer.WriteString("2") | ||
| }, func() { | ||
| time.Sleep(3 * time.Second) | ||
| mu.Lock() | ||
| defer mu.Unlock() | ||
| buffer.WriteString("3") | ||
| }) | ||
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| assert.Equal(t, "123", buffer.String()) | ||
| assert.True(t, time.Since(start) > 4*time.Second) | ||
| assert.True(t, time.Since(start) < 6*time.Second) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,17 @@ | ||
| package coroutine | ||
|
|
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| import "sync" | ||
|
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| func Parallel(tasks ...func()) { | ||
| var wg sync.WaitGroup | ||
| wg.Add(len(tasks)) | ||
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| for _, task := range tasks { | ||
| go func(task func()) { | ||
| defer wg.Done() | ||
| task() | ||
| }(task) | ||
| } | ||
|
|
||
| wg.Wait() | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,38 @@ | ||
| package coroutine | ||
|
|
||
| import ( | ||
| "bytes" | ||
| "sync" | ||
| "testing" | ||
| "time" | ||
|
|
||
| "github.com/stretchr/testify/assert" | ||
| ) | ||
|
|
||
| func TestParallel(t *testing.T) { | ||
| var ( | ||
| start = time.Now() | ||
| buffer bytes.Buffer | ||
| mu sync.Mutex | ||
| ) | ||
|
|
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| Parallel(func() { | ||
| time.Sleep(1 * time.Second) | ||
| mu.Lock() | ||
| defer mu.Unlock() | ||
| buffer.WriteString("1") | ||
| }, func() { | ||
| time.Sleep(2 * time.Second) | ||
| mu.Lock() | ||
| defer mu.Unlock() | ||
| buffer.WriteString("2") | ||
| }, func() { | ||
| time.Sleep(3 * time.Second) | ||
| mu.Lock() | ||
| defer mu.Unlock() | ||
| buffer.WriteString("3") | ||
| }) | ||
|
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| assert.Equal(t, "123", buffer.String()) | ||
| assert.True(t, time.Since(start) < 4*time.Second) | ||
| } |
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