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chaimleib merged 1 commit into from
Dec 25, 2025
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doc(readme): null intervals #155

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6 changes: 6 additions & 0 deletions README.md
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Expand Up @@ -7,6 +7,12 @@ A mutable, self-balancing interval tree for Python 2 and 3. Queries may be by po

This library was designed to allow tagging text and time intervals, where the intervals include the lower bound but not the upper bound.

> This means that 0-length intervals are null and overlap nothing.
If you see errors about null intervals,
make sure `end` is strictly greater than `begin`.
Our `Interval`s are like string ranges:
`'hello'[0:0] == ''`, but `'hello'[0:1] == 'h'`.

**Version 3 changes!**

* The `search(begin, end, strict)` method no longer exists. Instead, use one of these:
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