# whenNotEmpty()
The whenNotEmpty
method will execute the given callback when the collection is not empty:
const collection = collect(['Darwin Núñez']);
collection.whenNotEmpty(c => c.push('Mohamed Salah'));
collection.all();
// [
// 'Darwin Núñez',
// 'Mohamed Salah',
// ]
const collection = collect(['Darwin Núñez']);
collection.whenNotEmpty(
c => c.push('Mohamed Salah'),
c => c.push('Xherdan Shaqiri'),
);
collection.all();
// [
// 'Darwin Núñez',
// 'Mohamed Salah',
// ];
← whenEmpty() where() →