tinyscalautils.collection

Adds a nonEmpty method on Java collections.

True if all the collection's elements are distinct.

Note that this is true of an empty collection.

Picks one element at random.

This should not be used in a loop; use randomly instead.

The collection is assumed non-emtpy.

Picks one element at random.

This should not be used in a loop; use randomly instead.

Returns None if the collection is empty.

Reverses the order of contains.

value in collection replaces collection contains value.

An iterator that produces the elements of a collection in a random (uniform) order.

If the collection is empty, the iterator is empty; otherwise, it is infinite.

This method iterates over the entire collection and is not thread-safe in general. However, the iterator that is returned relies on its own copy and is thread-safe if the random number generator is thread-safe.

A convenient way to invoke Random.shuffle in a pipeline.

An iterator that repeats the elements of the iterable in a circular way.

For instance,

List(A,B,C).circular

is the infinite iterator A,B,C,A,B,C,A,B,....

The iterator is empty if the source is empty.

The last element of the collection, if any.

The last element of the collection, if any.

Sorted according to implicit order, but in reverse.

A new sequence in which element at position i has been deleted. If i is not a valid index, no exception is thrown and the sequence is returned unchanged (usually as the same instance).

A new sequence in which element at position i has been replaced with a new value, if any. The new value is computed as f(seq(i)). If it doesn't produce a replacement value, the element at position i is simply removed. If i is not a valid index, no exception is thrown and the sequence is returned unchanged (usually as the same instance).