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mutable_examples_test.go
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mutable_examples_test.go
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package debounce_test
import (
"fmt"
"time"
"github.com/romdo/go-debounce"
)
func ExampleNewMutable() {
// Create a new debouncer that will wait 100 milliseconds before calling
// given callback functions.
debounced, _ := debounce.NewMutable(100 * time.Millisecond)
debounced(func() { fmt.Println("Hello, world! #1") })
time.Sleep(75 * time.Millisecond) // +75ms = 75ms
debounced(func() { fmt.Println("Hello, world! #2") })
time.Sleep(75 * time.Millisecond) // +75ms = 150ms
debounced(func() { fmt.Println("Hello, world! #3") })
time.Sleep(150 * time.Millisecond) // +150ms = 300ms, wait expired at 250ms
debounced(func() { fmt.Println("Hello, world! #4") })
time.Sleep(75 * time.Millisecond) // +75ms = 375ms
debounced(func() { fmt.Println("Hello, world! #5") })
time.Sleep(75 * time.Millisecond) // +75ms = 450ms
debounced(func() { fmt.Println("Hello, world! #6") })
time.Sleep(150 * time.Millisecond) // +150ms = 600ms, wait expired at 550ms
// Output:
// Hello, world! #3
// Hello, world! #6
}
func ExampleNewMutable_with_cancel() {
// Create a new debouncer that will wait 100 milliseconds before calling
// given callback functions.
debounced, cancel := debounce.NewMutable(100 * time.Millisecond)
debounced(func() { fmt.Println("Hello, world! #1") })
time.Sleep(75 * time.Millisecond) // +75ms = 75ms
debounced(func() { fmt.Println("Hello, world! #2") })
time.Sleep(75 * time.Millisecond) // +75ms = 150ms
debounced(func() { fmt.Println("Hello, world! #3") })
time.Sleep(150 * time.Millisecond) // +150ms = 300ms, wait expired at 250ms
debounced(func() { fmt.Println("Hello, world! #4") })
time.Sleep(75 * time.Millisecond) // +75ms = 375ms
debounced(func() { fmt.Println("Hello, world! #5") })
time.Sleep(75 * time.Millisecond) // +75ms = 450ms
cancel()
time.Sleep(150 * time.Millisecond) // +150ms = 600ms, canceled at 450ms
debounced(func() { fmt.Println("Hello, world! #6") })
time.Sleep(75 * time.Millisecond) // +75ms = 675ms
debounced(func() { fmt.Println("Hello, world! #7") })
time.Sleep(75 * time.Millisecond) // +75ms = 750ms
debounced(func() { fmt.Println("Hello, world! #8") })
time.Sleep(150 * time.Millisecond) // +150ms = 900ms, wait expired at 850ms
// Output:
// Hello, world! #3
// Hello, world! #8
}
func ExampleNewMutableWithMaxWait() {
// Create a new debouncer that will wait 100 milliseconds before calling
// given callback functions, on repeated debounce calls, it will wait no
// more than 500 milliseconds before calling the callback function.
debounced, _ := debounce.NewMutableWithMaxWait(
100*time.Millisecond, 500*time.Millisecond,
)
debounced(func() { fmt.Println("Hello, world! #1") })
time.Sleep(75 * time.Millisecond) // +75ms = 75ms
debounced(func() { fmt.Println("Hello, world! #2") })
time.Sleep(75 * time.Millisecond) // +75ms = 150ms
debounced(func() { fmt.Println("Hello, world! #3") })
time.Sleep(75 * time.Millisecond) // +75ms = 225ms
debounced(func() { fmt.Println("Hello, world! #4") })
time.Sleep(75 * time.Millisecond) // +75ms = 300ms
debounced(func() { fmt.Println("Hello, world! #5") })
time.Sleep(75 * time.Millisecond) // +75ms = 375ms
debounced(func() { fmt.Println("Hello, world! #6") })
time.Sleep(75 * time.Millisecond) // +75ms = 450ms
debounced(func() { fmt.Println("Hello, world! #7") })
time.Sleep(75 * time.Millisecond) // +75ms = 525ms, maxWait expired at 500ms
debounced(func() { fmt.Println("Hello, world! #8") })
time.Sleep(75 * time.Millisecond) // +75ms = 600ms
debounced(func() { fmt.Println("Hello, world! #9") })
time.Sleep(150 * time.Millisecond) // +150ms = 750ms, wait expired at 700ms
// Output:
// Hello, world! #7
// Hello, world! #9
}
func ExampleNewMutableWithMaxWait_with_cancel() {
// Create a new debouncer that will wait 100 milliseconds before calling
// given callback functions, on repeated debounce calls, it will wait no
// more than 500 milliseconds before calling the callback function.
debounced, cancel := debounce.NewMutableWithMaxWait(
100*time.Millisecond, 500*time.Millisecond,
)
debounced(func() { fmt.Println("Hello, world! #1") })
time.Sleep(75 * time.Millisecond) // +75ms = 75ms
debounced(func() { fmt.Println("Hello, world! #2") })
time.Sleep(75 * time.Millisecond) // +75ms = 150ms
debounced(func() { fmt.Println("Hello, world! #3") })
time.Sleep(75 * time.Millisecond) // +75ms = 225ms
debounced(func() { fmt.Println("Hello, world! #4") })
time.Sleep(75 * time.Millisecond) // +75ms = 300ms
debounced(func() { fmt.Println("Hello, world! #5") })
time.Sleep(75 * time.Millisecond) // +75ms = 375ms
debounced(func() { fmt.Println("Hello, world! #6") })
time.Sleep(75 * time.Millisecond) // +75ms = 450ms
cancel()
time.Sleep(75 * time.Millisecond) // +150 = 525ms, canceled at 450ms
debounced(func() { fmt.Println("Hello, world! #8") })
time.Sleep(75 * time.Millisecond) // +75ms = 600ms
debounced(func() { fmt.Println("Hello, world! #9") })
time.Sleep(150 * time.Millisecond) // +150ms = 750ms, wait expired at 700ms
// Output:
// Hello, world! #9
}