No constexpr support

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Assessment

Difficulty
5/5
Estimated time
Over a week
Newbie friendliness
30/100
Issue type
Feature
Clarity
Needs clarification
Activity status
Stale
Tech stack
cpp
Domain
tooling

Research direction

Start by reviewing the Boost iterator functionality named in the report, especially transform_iterator and filter_iterator, and determine which iterator components are in scope. Check how the module currently handles constexpr use and identify the tests needed to demonstrate compile-time iteration. Done means the affected iterator functionality can be used at constexpr time, including the examples described in the issue.

Written by the indexing model from the issue text.

Description

With recent versions of C++, it is possible to have constexpr iterators, for example for std::array (and in c++20 for vector and string).
The boost iterator functionality, like transform_iterator, filter_iterator ... ain't constexpr and as a result can't be used at constexpr time.

Dominant language
C++
Stars
23
Forks
70
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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

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