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// Copyright 2017, OpenCensus Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
package stats
// Float64Measure is a measure of type float64.
type Float64Measure struct {
md *measureDescriptor
}
// Name returns the name of the measure.
func (m *Float64Measure) Name() string {
return m.md.name
}
// Description returns the description of the measure.
func (m *Float64Measure) Description() string {
return m.md.description
}
// Unit returns the unit of the measure.
func (m *Float64Measure) Unit() string {
return m.md.unit
}
// M creates a new float64 measurement.
// Use Record to record measurements.
func (m *Float64Measure) M(v float64) Measurement {
if !m.md.subscribed() {
return Measurement{}
}
return Measurement{m: m, v: v}
}
// Float64 creates a new measure of type Float64Measure.
// It never returns an error.
func Float64(name, description, unit string) *Float64Measure {
mi := registerMeasureHandle(name, description, unit)
return &Float64Measure{mi}
}
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