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package syncx
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import (
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"testing"
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"github.com/stretchr/testify/assert"
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)
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func TestOnce(t *testing.T) {
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var v int
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add := Once(func() {
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v++
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})
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for i := 0; i < 5; i++ {
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add()
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}
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assert.Equal(t, 1, v)
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}
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