A Range is an object resembling a set but optimised for contiguous ranges of int members.
Function overlap(span1, span2)
Return a list [start,end] denoting the overlap of two spans.
Example:
>>> overlap([1,9], [5,13])
[5, 9]
Class Range
A collection of ints that collates adjacent ints.
The interface is as for a set with additional methods:
spans(): return an iterable ofSpans, with.startincluded in eachSpanand.endjust beyond
Additionally, the update/remove/etc methods have a secondary
calling signature: (start,end), which is the same as passing
in Range(start,end) but much more efficient.
Class Span
MRO: Span, builtins.tuple
A namedtuple with .start and .end attributes.
Function spans(items)
Return an iterable of Spans for all contiguous sequences in
items.
Example:
>>> list(spans([1,2,3,7,8,11,5]))
[1:4, 7:9, 11:12, 5:6]
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