Lazy Sequence

monad.types.lazysequence - a sequence type with lazy evaluation.

class monad.types.lazysequence.LazySequence(iterable)

Bases: _abcoll.Sequence

Sequence with lazy evaluation.

>>> from itertools import count
>>> seq = LazySequence(count())
>>> seq[1]
1
>>> list(seq[3:5])
[3, 4]
>>> list(seq[:20:2])
[0, 2, 4, 6, 8, 10, 12, 14, 16, 18]

strict

Proxy to self that forces evaluation when accessed.