FunctionUtils (JUnit 5.4.2 API)

java.lang.Object
- org.junit.platform.commons.util.FunctionUtils

```
@API(status=INTERNAL,
     since="1.0")
public final class FunctionUtils
extends Object
```
Collection of utilities for working with Functions, Predicates, etc.
DISCLAIMER

These utilities are intended solely for usage within the JUnit framework itself. Any usage by external parties is not supported. Use at your own risk!

Since:

1.0

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static <T,V> Predicate<T>`	`where(Function<T,V> function, Predicate<? super V> predicate)`	Return a predicate that first applies the specified function and then tests the specified predicate against the result of the function.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Method Detail
  - where
```
public static <T,V> Predicate<T> where(Function<T,V> function,
                                             Predicate<? super V> predicate)
```
    Return a predicate that first applies the specified function and then tests the specified predicate against the result of the function.
    
    Parameters:
    
    function - the function to apply
    
    predicate - the predicate to test against the result of the function