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Merged
TwoFX merged 2 commits into from
Mar 26, 2026
Merged

28 #290

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TwoFX Mar 24, 2026
3e60c00
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TwoFX Mar 26, 2026
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10 changes: 7 additions & 3 deletions HumanEvalLean/HumanEval28.lean
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Original file line number Diff line number Diff line change
@@ -1,7 +1,11 @@
module

def concatenate : Unit :=
()
def concatenate (strings : List String) : String :=
String.join strings

theorem toList_concatenate {strings : List String} :
(concatenate strings).toList = strings.flatMap String.toList := by
simp [concatenate]

/-!
## Prompt
Expand Down Expand Up @@ -41,4 +45,4 @@ def check(candidate):
assert candidate(['x', 'y', 'z']) == 'xyz'
assert candidate(['x', 'y', 'z', 'w', 'k']) == 'xyzwk'
```
-/
-/
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