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Diagnostic talks about and prints entire function *type* on private function in expansion of macro 2.0

A-decl-macros-2-0Area: Declarative macros 2.0 (#39412)Area: Declarative macros 2.0 (#39412)

A-diagnosticsArea: Messages for errors, warnings, and lintsArea: Messages for errors, warnings, and lints

A-visibilityArea: Visibility / privacyArea: Visibility / privacy

D-confusingDiagnostics: Confusing error or lint that should be reworked.Diagnostics: Confusing error or lint that should be reworked.

D-verboseDiagnostics: Too much output caused by a single piece of incorrect code.Diagnostics: Too much output caused by a single piece of incorrect code.

F-decl_macro`#![feature(decl_macro)]``#![feature(decl_macro)]`

P-lowLow priorityLow priority

requires-nightlyThis issue requires a nightly compiler in some way.This issue requires a nightly compiler in some way.

T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.

Status: Open.

#143455 In rust-lang/rust;

· fmease opened on Jul 4, 2025

Encountered incremental compilation error with find_field(a5f984281f1e0bb0-ee8ea99685b18732)

A-decl-macros-2-0Area: Declarative macros 2.0 (#39412)Area: Declarative macros 2.0 (#39412)

A-incr-compArea: Incremental compilationArea: Incremental compilation

A-macrosArea: All kinds of macros (custom derive, macro_rules!, proc macros, ..)Area: All kinds of macros (custom derive, macro_rules!, proc macros, ..)

C-bugCategory: This is a bug.Category: This is a bug.

F-decl_macro`#![feature(decl_macro)]``#![feature(decl_macro)]`

I-ICEIssue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️

S-needs-reproStatus: This issue has no reproduction and needs a reproduction to make progress.Status: This issue has no reproduction and needs a reproduction to make progress.

T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.

Status: Open.

#125678 In rust-lang/rust;

· jflatow opened on May 28, 2024

Associated item resolution fails when using both macros v2 and proc macros

A-decl-macros-2-0Area: Declarative macros 2.0 (#39412)Area: Declarative macros 2.0 (#39412)

A-macrosArea: All kinds of macros (custom derive, macro_rules!, proc macros, ..)Area: All kinds of macros (custom derive, macro_rules!, proc macros, ..)

A-proc-macrosArea: Procedural macrosArea: Procedural macros

A-resolveArea: Name/path resolution done by `rustc_resolve` specificallyArea: Name/path resolution done by `rustc_resolve` specifically

C-bugCategory: This is a bug.Category: This is a bug.

F-decl_macro`#![feature(decl_macro)]``#![feature(decl_macro)]`

T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.

Status: Open.

#113638 In rust-lang/rust;

· Arc-blroth opened on Jul 13, 2023

New declarative macros, functions and fields not being recognized

A-decl-macros-2-0Area: Declarative macros 2.0 (#39412)Area: Declarative macros 2.0 (#39412)

A-macrosArea: All kinds of macros (custom derive, macro_rules!, proc macros, ..)Area: All kinds of macros (custom derive, macro_rules!, proc macros, ..)

C-discussionCategory: Discussion or questions that doesn't represent real issues.Category: Discussion or questions that doesn't represent real issues.

F-decl_macro`#![feature(decl_macro)]``#![feature(decl_macro)]`

requires-nightlyThis issue requires a nightly compiler in some way.This issue requires a nightly compiler in some way.

Status: Open.

#91249 In rust-lang/rust;

· BeastLe9enD opened on Nov 26, 2021

Unused import warning fires incorrectly for imports used and shadowed by decl_macro's.

A-lintsArea: Lints (warnings about flaws in source code) such as unused_mut.Area: Lints (warnings about flaws in source code) such as unused_mut.

C-bugCategory: This is a bug.Category: This is a bug.

F-decl_macro`#![feature(decl_macro)]``#![feature(decl_macro)]`

L-unused_importsLint: unused_importsLint: unused_imports

T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.

Status: Open.

#54476 In rust-lang/rust;

· eddyb opened on Sep 22, 2018

Macros 2.0: macro defined and used in same function-like scope can't resolve its own items

A-decl-macros-2-0Area: Declarative macros 2.0 (#39412)Area: Declarative macros 2.0 (#39412)

A-resolveArea: Name/path resolution done by `rustc_resolve` specificallyArea: Name/path resolution done by `rustc_resolve` specifically

F-decl_macro`#![feature(decl_macro)]``#![feature(decl_macro)]`

T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.

Status: Open.

#52389 In rust-lang/rust;

· arielb1 opened on Jul 14, 2018

Tracking issue: declarative macros 2.0

A-decl-macros-2-0Area: Declarative macros 2.0 (#39412)Area: Declarative macros 2.0 (#39412)

A-hygieneArea: Macro hygieneArea: Macro hygiene

A-macrosArea: All kinds of macros (custom derive, macro_rules!, proc macros, ..)Area: All kinds of macros (custom derive, macro_rules!, proc macros, ..)

B-RFC-approvedBlocker: Approved by a merged RFC but not yet implemented.Blocker: Approved by a merged RFC but not yet implemented.

B-unstableBlocker: Implemented in the nightly compiler and unstable.Blocker: Implemented in the nightly compiler and unstable.

C-tracking-issueCategory: An issue tracking the progress of sth. like the implementation of an RFCCategory: An issue tracking the progress of sth. like the implementation of an RFC

F-decl_macro`#![feature(decl_macro)]``#![feature(decl_macro)]`

S-tracking-design-concernsStatus: There are blocking design concerns.Status: There are blocking design concerns.

T-langRelevant to the language teamRelevant to the language team

WG-macrosWorking group: MacrosWorking group: Macros

Status: Open.

#39412 In rust-lang/rust;

· nrc opened on Jan 30, 2017