io.opencensus.common

Interface Function<A,B>

public interface Function<A,B>

Used to specify matching functions for use encoding tagged unions (i.e. sum types) in Java. See AttributeValue.match(io.opencensus.common.Function<? super java.lang.String, T>, io.opencensus.common.Function<? super java.lang.Boolean, T>, io.opencensus.common.Function<? super java.lang.Long, T>, io.opencensus.common.Function<java.lang.Object, T>) for an example of its use.

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

Since:

0.5

Method Summary

Modifier and Type	Method and Description
B	apply(A arg) Applies the function to the given argument.

Method Detail

apply

B apply(A arg)

Applies the function to the given argument.

Parameters:

arg - the argument to the function.

Returns:

the result of the function.

Since:

0.5