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v0.1.3

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@github-actions github-actions released this 10 Nov 18:31
· 19 commits to main since this release
v0.1.3
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EasyRanges v0.1.3

Diff since v0.1.2

New features:

  • The method EasyRanges.normalize is not exported but may be extended by other packages to implement their own index or index range objects in EasyRanges.

  • In the @range or @reverse_range expression, the syntax $(subexpr) may be used to prevent any sub-expression subexpr from being interpreted as a range expression.

Breaking changes:

  • Expressions in @range and @reverse_range should only involve array indices (linear indices, i.e. integers, or multi-dimensional Cartesian indices) or objects representing ranges of indices. All such arguments are filtered by the EasyRanges.normalize method which shall return an equivalent object in a canonical form. If EasyRanges.normalize is not implemented for a given type, it is considered that the object is invalid as an index or as an index range. There were no such restrictions in the previous version and expressions involving non-index objects could possibly work but this was a source of confusion. Now the syntax $(subexpr) should be used to protect sub-expressions from being interpreted as a range expression.

The following changes only concern internal methods and types, they should not affect the end user:

  • Private aliases EasyRanges.ContiguousRange and EasyRanges.CartesianBox{N} have been suppressed.

  • Internal methods EasyRange.plus, EasyRange.plus, etc. no longer attempt to yield ranges with a positive step. This simplifies the implementation and is not necessary since the final processing pass by the public macros @range and @reverse_range consists in calling EasyRange.forward or EasyRange.backward which take care of the sign of the step. This also fixes bugs in the stretching and shrinking (± and ∓) operators.

  • Internal method EasyRange.to_int is no longer used and has been suppressed. It is superseded by EasyRange.normalize.

  • Internal method EasyRange.to_type is no longer used and has been suppressed. It is superseded by TypeUtils.as and, to some extend, by EasyRange.normalize.

  • Internal methods EasyRange.first_last and EasyRange.first_step_last are no longer used and have been suppressed.

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