Package 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
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Method Summary
Modifier and TypeMethodDescriptiondouble
applyAsDouble
(T value) Applies this function to the given argument.
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Method Details
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applyAsDouble
Applies this function to the given argument.- Parameters:
value
- the function argument.- Returns:
- the function result.
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