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Add NonEmptyBlock class and utility functions #178

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Add NonEmptyBlock class and utility functions #178

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18393e5
Add `NonEmptyBlock` class and utility functions
brendanmaguire Nov 11, 2023
8d08cf9
`NonEmptyBlock` updates
brendanmaguire Nov 12, 2023
c60f61d
`NonEmptyBlock` updates
brendanmaguire Nov 13, 2023
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3 changes: 3 additions & 0 deletions expression/collections/__init__.py
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Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,7 @@
from .array import TypedArray
from .block import Block
from .map import Map
from .non_empty_block import NonEmptyBlock
from .seq import Seq


Expand All @@ -13,6 +14,8 @@
"block",
"Map",
"map",
"NonEmptyBlock",
"non_empty_block",
"Seq",
"seq",
"TypedArray",
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4 changes: 2 additions & 2 deletions expression/collections/block.py
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Original file line number Diff line number Diff line change
Expand Up @@ -224,7 +224,7 @@ def indexed(self, start: int = 0) -> Block[tuple[int, _TSource]]:
Returns:
The list of indexed elements.
"""
return of_seq(enumerate(self))
return of_seq(enumerate(self, start=start))

def item(self, index: int) -> _TSource:
"""Indexes into the list. The first element has index 0.
Expand Down Expand Up @@ -515,7 +515,7 @@ def zip(self, other: Block[_TResult]) -> Block[tuple[_TSource, _TResult]]:
"""Zip block.

Combines the two lists into a list of pairs. The two lists
must have equal lengths. .
must have equal lengths.

Args:
other: The second input list.
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