leanprover-community/lean4-metaprogramming-book
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- 78
- Open beginner issues
- 0
- Indexed issues
- 25
- Avg merge
- 2h 7m
- Merged PRs (30d)
- 4
- Dominant language
- Lean
- License
- Apache-2.0
- Last GitHub push
- Sep 17, 2026
- Latest indexed
- Sep 18, 2026
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Difficulty 4/5 3-5 days Newbie friendliness 45/100
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Difficulty 1/5 1-3 hours Newbie friendliness 75/100
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Difficulty 4/5 3-5 days Newbie friendliness 35/100
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Difficulty 1/5 Under an hour Newbie friendliness 65/100
leanprover-community/lean4-metaprogramming-book#178 · 1 comment ·
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Difficulty 1/5 Under an hour Newbie friendliness 68/100
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Difficulty 1/5 Under an hour Newbie friendliness 65/100
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Difficulty 4/5 3-5 days Newbie friendliness 35/100
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Difficulty 4/5 3-5 days Newbie friendliness 35/100
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Difficulty 2/5 1-3 hours Newbie friendliness 55/100
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Difficulty 1/5 Under an hour Newbie friendliness 68/100
leanprover-community/lean4-metaprogramming-book#153 · 1 comment ·
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Difficulty 5/5 Over a week Newbie friendliness 25/100
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Difficulty 2/5 1-3 hours Newbie friendliness 48/100
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Difficulty 1/5 Under an hour Newbie friendliness 50/100
leanprover-community/lean4-metaprogramming-book#132 · 1 reaction ·
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chapter 9 <;> Open
Difficulty 3/5 1-2 days Newbie friendliness 45/100
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Difficulty 3/5 1-2 days Newbie friendliness 35/100
leanprover-community/lean4-metaprogramming-book#116 · 1 comment ·
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Difficulty 3/5 1-2 days Newbie friendliness 35/100
leanprover-community/lean4-metaprogramming-book#100 · 1 comment ·
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Adding exercises Open
Difficulty 5/5 Over a week Newbie friendliness 35/100
leanprover-community/lean4-metaprogramming-book#84 · 2 comments ·
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Difficulty 4/5 3-5 days Newbie friendliness 25/100
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Difficulty 2/5 1-3 hours Newbie friendliness 48/100
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Difficulty 2/5 1-3 hours Newbie friendliness 55/100
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Difficulty 3/5 1-2 days Newbie friendliness 35/100
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Difficulty 5/5 Over a week Newbie friendliness 25/100
leanprover-community/lean4-metaprogramming-book#67 · 1 comment ·
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Difficulty 2/5 1-3 hours Newbie friendliness 38/100
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`and_then` is subtly different from `<;>`. The former focuses the goal, whereas the latter does not. Open
Difficulty 2/5 1-3 hours Newbie friendliness 48/100
leanprover-community/lean4-metaprogramming-book#49 · 3 comments ·
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Difficulty 4/5 3-5 days Newbie friendliness 20/100
leanprover-community/lean4-metaprogramming-book#40 · 1 comment ·