rust-lang / rust · Issue No. 160583

Tracking Issue for `is_default_ignorable` method on `char`

Openby Jules-Bertholetopened Aug 5, 2026updated Aug 5, 20260 comments

A-UnicodeT-libs-apiC-tracking-issueS-tracking-unimplemented

Description

Feature gate: #![feature(default_ignorable)]

This is a tracking issue for a function to query the Default_Ignorable_Code_Point Unicode property for a character.

Public API

// core

impl char {
    pub fn is_default_ignorable(self) -> bool;
}

Steps / History

(Remember to update the S-tracking-* label when checking boxes.)

Implementation: https://github.com/rust-lang/rust/pull/157944
Final comment period (FCP)^1
Stabilization PR

Unresolved Questions

None yet.

@rustbot label A-Unicode

Relay Analysis

View on GitHub

Relay reads this issue against the repository's contribution signals: the files it is likely to touch, how the maintainers triage work this size, and what the first contribution would exercise.

The full analysis for this issue is still being assembled. Until then, the description above and the thread on GitHub are the most reliable context.