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interface.go
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interface.go
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// Copyright (c) 2017 Uber Technologies, Inc.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
package clock
import "time"
// Clock represents an interface to the functions in the standard library time
// package. Two implementations are available in the clock package. The first
// is a real-time clock which simply wraps the time package's functions. The
// second is a mock clock which will only make forward progress when
// programmatically adjusted.
type Clock interface {
AfterFunc(d time.Duration, f func()) Timer
After(d time.Duration) <-chan time.Time
Now() time.Time
Sleep(d time.Duration)
}
// Timer represents an individual timer in a clock, either real or fake.
// Unlike time.Timer, this is an interface instead of a struct to abstract the
// implementation. Consequently, the C property is instead a C() method.
type Timer interface {
C() <-chan time.Time
Reset(d time.Duration) bool
Stop() bool
}