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package metrics_test
import (
"fmt"
"github.com/VictoriaMetrics/metrics"
)
func ExampleFloatCounter() {
// Define a float64 counter in global scope.
var fc = metrics.NewFloatCounter(`float_metric_total{label1="value1", label2="value2"}`)
// Add to the counter when needed.
for i := 0; i < 10; i++ {
fc.Add(1.01)
}
n := fc.Get()
fmt.Println(n)
// Output:
// 10.1
}
func ExampleFloatCounter_vec() {
for i := 0; i < 3; i++ {
// Dynamically construct metric name and pass it to GetOrCreateFloatCounter.
name := fmt.Sprintf(`float_metric_total{label1=%q, label2="%d"}`, "value1", i)
metrics.GetOrCreateFloatCounter(name).Add(float64(i) + 1.01)
}
// Read counter values.
for i := 0; i < 3; i++ {
name := fmt.Sprintf(`float_metric_total{label1=%q, label2="%d"}`, "value1", i)
n := metrics.GetOrCreateFloatCounter(name).Get()
fmt.Println(n)
}
// Output:
// 1.01
// 2.01
// 3.01
}
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