Returns a composed function that first applies the before
function to its input, and then applies this function to the result.
If evaluation of either function throws an exception, it is relayed to
the caller of the composed function.
<V> | the type of input to the before function, and to the
composed function | |
before | the function to apply before this function is applied |
before
function and then applies this function
NullPointerException | if before is null |
andThen(Function)
Diagram: function