microsoft / microsoft/STL

P2918R2 Runtime Format Strings II

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cxx26 format
Dominant language
C++
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Description

WG21-P2918R2 Runtime Format Strings II
WG21-P3953R3 Rename runtime_format() To dynamic_format()

INCREASED feature-test macro, note that __cpp_lib_format has repeatedly increased through 202304L (#3799 WG21-P2510R3), 202305L (#3813 WG21-P2757R3), 202306L (#3808 WG21-P2637R3), 202603L (#4181 WG21-P2918R2):

#define __cpp_lib_format 202603L

Note: We are not yet accepting PRs for C++26 features.

Contributor guide

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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.

Research direction

No source file or test is named. Start by locating the existing __cpp_lib_format definition and reviewing the linked format-related issues; completion would mean updating the macro to 202603L, although the issue notes that PRs for C++26 features are not yet being accepted.

Written by the indexing model from the issue text.

Assessment

Tech stack
cpp
Domain
tooling
Issue type
Feature
Difficulty
1/5
Estimated time
Under an hour
Activity status
Stale
Clarity
Clearly specified
Newbie friendliness
25/100

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