NixOS/nix

Switch to std::format

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#10,294 opened on Mar 22, 2024

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 (4 comments) (8 reactions) (0 assignees)C++ (9,803 stars) (1,293 forks)batch import
good first issue

Description

Is your feature request related to a problem? Please describe.

Unlike boost::format, std::format is supposed to check format strings at compile time, so it should prevent problems like #10293 once and for all.

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Priorities

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Contributor guide

Tech stack
cpp
Domain
backend
Issue type
feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-2 days
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
clear
Prerequisites
C++std::formatboost::format
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
50
Research direction
Examine the Nix source code to find all uses of boost::format. Replace them with std::format, ensuring compile time format string checking. Pay attention to differences in formatting syntax. Test thoroughly to avoid regressions. Refer to related issue #10293 for context.
Switch to std::format · NixOS/nix#10294 | Good First Issue