ToLongFunction

All Known Implementing Classes:

SpanExporterImpl.ReportDroppedSpans, SpanExporterImpl.ReportPushedSpans, SpanExporterImpl.ReportReferencedSpans
```
public interface ToLongFunction<T>
```
Represents a function that produces a long-valued result. See MetricRegistry for an example of its use.
Note: This class is based on the java.util.ToLongFunction 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
  
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  
  long applyAsLong(T value)
  Applies this function to the given argument.

- Method Detail
  - applyAsLong
```
long applyAsLong(T value)
```
    Applies this function to the given argument.
    
    Parameters:
    
    value - the function argument.
    
    Returns:
    
    the function result.