Creates a new collection by concatenating the elements of two collections.
- Xcode 10.0+
- Swift Standard Library
A range-replaceable collection.
Another range-replaceable collection.
The two arguments must have the same
Element type. For example, you can concatenate the elements of two integer arrays.
The resulting collection has the type of the argument on the left-hand side. In the example above,
more has the same type as
numbers, which is