Function mappingComparator

mappingComparator<R>(comparator: Comparator<R>): (<T>(mapper: Mapper<T, R>) => Comparator<T>)
Creates a Comparator that maps the values using a Mapper before comparing them.

Example
Sort Person objects by age
```
const numberMappingComparator = mappingComparator(numberComparator);
const personByAgeComparator = numberMappingComparator<Person>(p => p.age);

const array: Person[] = [
  { age: 2 },
  { age: 1 }
];

array.sort(personByAgeComparator);
console.log(array); // [{age:1}, {age:2}]
```
Returns
a Comparator
Type Parameters
- R
  
  the Comparator value type
Parameters
- comparator: Comparator<R>
Returns (<T>(mapper: Mapper<T, R>) => Comparator<T>)
- - <T>(mapper: Mapper<T, R>): Comparator<T>
  - Type Parameters
    - T
    Parameters
    - mapper: Mapper<T, R>
    Returns Comparator<T>
- Defined in packages/comparator/src/mappingComparator.ts:28

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