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[Backport releases/v4.29.0] fix: mark levelZero, levelOne, and Level.ofNat as implicit_reducible #12743

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Merged
kim-em merged 1 commit into from
Mar 1, 2026
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[Backport releases/v4.29.0] fix: mark levelZero, levelOne, and Level.ofNat as implicit_reducible #12743

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4 changes: 2 additions & 2 deletions src/Lean/Level.lean
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Original file line number Diff line number Diff line change
Expand Up @@ -129,7 +129,7 @@ def hasParam (u : Level) : Bool :=

end Level

@[expose] def levelZero :=
@[expose, implicit_reducible] def levelZero :=
Level.zero

def mkLevelMVar (mvarId : LMVarId) :=
Expand Down Expand Up @@ -213,7 +213,7 @@ def isAlwaysZero : Level → Bool
| max l₁ l₂ => isAlwaysZero l₁ && isAlwaysZero l₂
| imax _ l₂ => isAlwaysZero l₂

@[expose] def ofNat : Nat → Level
@[expose, implicit_reducible] def ofNat : Nat → Level
| 0 => levelZero
| n+1 => mkLevelSucc (ofNat n)

Expand Down