leanprover-community/quote4

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Intuitive, type-safe expression quotations for Lean 4.

Stars: 111
Forks: 27
Open beginner issues: 0
Indexed issues: 18
Avg merge: 4m
Merged PRs (30d): 4

Dominant language: Lean
License: Apache-2.0
Last GitHub push: Sep 16, 2026
Latest indexed: Sep 18, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: No beginner labels indexed

Beginner friendly Everything

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18 open issues indexed

`~ql()` matching for `Level`s Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

leanprover-community/quote4#143 · 1 comment · Opened May 26, 2026
`declaration has metavariables` error with matching and recursion Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

leanprover-community/quote4#126 · Opened Jan 27, 2026
misc/examples.lean currently PANICs Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

leanprover-community/quote4#105 · 1 comment · Opened Sep 24, 2025
Incorrect highlighting with `variable`s Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

leanprover-community/quote4#98 · Opened Aug 20, 2025
Add an option to pattern match using structural equality instead of definitional equality. Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

leanprover-community/quote4#82 · Opened May 10, 2025
Example in README doesn't typecheck Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

leanprover-community/quote4#57 · 1 comment · Opened Sep 24, 2024
linter.constructorNameAsVariable false in turnExistsIntoForall Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

leanprover-community/quote4#52 · 1 comment · Opened Aug 23, 2024
assertInstancesCommute loops when there are several unnamed assumptions Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

leanprover-community/quote4#38 · 2 comments · Opened Mar 7, 2024
Poor elaboration performance on structure matches Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

leanprover-community/quote4#37 · Opened Feb 20, 2024
`let mut` does not work with `~q` matching Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

leanprover-community/quote4#36 · 1 comment · Opened Feb 18, 2024
literal expressions not type-safe Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

leanprover-community/quote4#34 · Opened Feb 7, 2024
invalid match-expression, type of pattern variable 'match_eq✝' contains metavariables Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

leanprover-community/quote4#30 · 7 comments · Opened Dec 15, 2023
`~q` pattern match does not respect `return` Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

leanprover-community/quote4#21 · 4 comments · Opened Aug 7, 2023
`foo.{$u}` is not supported Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

leanprover-community/quote4#16 · Opened Jun 27, 2023
Confusing type of `Expr` inputs in the local context Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

leanprover-community/quote4#15 · Opened Jun 26, 2023
Deep matching like Ltac's context Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

leanprover-community/quote4#12 · Opened Apr 28, 2023
Antiquotations don't work for generic types (even if they implement ToExpr) Open

Difficulty 4/5 3-5 days Newbie friendliness 32/100

leanprover-community/quote4#9 · Opened Apr 16, 2023
Weird `unknown free variable '_uniq.419'` error Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

leanprover-community/quote4#8 · Opened Apr 15, 2023

leanprover-community/quote4

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