49 lines
2.4 KiB
Go
49 lines
2.4 KiB
Go
// Copyright 2023 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package metrics
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// compile-time checks that interfaces are implemented.
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var (
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_ SampleSnapshot = (*emptySnapshot)(nil)
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_ HistogramSnapshot = (*emptySnapshot)(nil)
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_ CounterSnapshot = (*emptySnapshot)(nil)
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_ GaugeSnapshot = (*emptySnapshot)(nil)
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_ MeterSnapshot = (*emptySnapshot)(nil)
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_ EWMASnapshot = (*emptySnapshot)(nil)
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_ TimerSnapshot = (*emptySnapshot)(nil)
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)
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type emptySnapshot struct{}
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func (*emptySnapshot) Count() int64 { return 0 }
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func (*emptySnapshot) Max() int64 { return 0 }
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func (*emptySnapshot) Mean() float64 { return 0.0 }
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func (*emptySnapshot) Min() int64 { return 0 }
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func (*emptySnapshot) Percentile(p float64) float64 { return 0.0 }
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func (*emptySnapshot) Percentiles(ps []float64) []float64 { return make([]float64, len(ps)) }
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func (*emptySnapshot) Size() int { return 0 }
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func (*emptySnapshot) StdDev() float64 { return 0.0 }
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func (*emptySnapshot) Sum() int64 { return 0 }
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func (*emptySnapshot) Values() []int64 { return []int64{} }
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func (*emptySnapshot) Variance() float64 { return 0.0 }
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func (*emptySnapshot) Value() int64 { return 0 }
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func (*emptySnapshot) Rate() float64 { return 0.0 }
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func (*emptySnapshot) Rate1() float64 { return 0.0 }
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func (*emptySnapshot) Rate5() float64 { return 0.0 }
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func (*emptySnapshot) Rate15() float64 { return 0.0 }
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func (*emptySnapshot) RateMean() float64 { return 0.0 }
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