# Help needed: rust-analyzer error during libs development \[solved\]

**URL:** <https://internals.rust-lang.org/t/help-needed-rust-analyzer-error-during-libs-development-solved/24636>\
**Category:** libs\
**Created:** [September 28, 2026, 9:40am UTC](https://internals.rust-lang.org/t/help-needed-rust-analyzer-error-during-libs-development-solved/24636 "2026-09-28T09:40:13Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![MusicalNinjaDad](https://sea2.discourse-cdn.com/flex002/user_avatar/internals.rust-lang.org/musicalninjadad/32/11986_2.png) [@MusicalNinjaDad](https://internals.rust-lang.org/u/MusicalNinjaDad)\
**Post date:** [September 28, 2026, 9:40am UTC](https://internals.rust-lang.org/t/help-needed-rust-analyzer-error-during-libs-development-solved/24636/1 "2026-09-28T09:40:13Z")

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EDIT: After a bit more debugging and then searching - I found [r-a fails to parse `core` due to `const` closure · Issue #23006 · rust-lang/rust-analyzer](https://github.com/rust-lang/rust-analyzer/issues/23006)