io.opencensus.common

Interface ToDoubleFunction<T>

public interface ToDoubleFunction<T>

Represents a function that produces a double-valued result. See MetricRegistry for an example of its use.

Note: This class is based on the java.util.ToDoubleFunction class added in Java 1.8. We cannot use the Function from Java 1.8 because this library is Java 1.6 compatible.

Since:

0.16

Method Summary

Modifier and Type	Method and Description
double	applyAsDouble(T value) Applies this function to the given argument.

Method Detail

applyAsDouble

double applyAsDouble(T value)

Applies this function to the given argument.

Parameters:

value - the function argument.

Returns:

the function result.