Documentation

Lean.Util.HasConstCache

source
structure Lean.HasConstCache (declName : Lake.Name) :
Type
Instances For
    source
    unsafe def Lean.HasConstCache.containsUnsafe {declName : Lake.Name} (e : Lean.Expr) :
    StateM (Lean.HasConstCache declName) Bool
    Equations
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    Instances For
      source
      unsafe def Lean.HasConstCache.containsUnsafe.cache {declName : Lake.Name} (e : Lean.Expr) (r : Bool) :
      StateM (Lean.HasConstCache declName) Bool
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      Instances For
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        @[implemented_by Lean.HasConstCache.containsUnsafe]
        opaque Lean.HasConstCache.contains {declName : Lake.Name} (e : Lean.Expr) :
        StateM (Lean.HasConstCache declName) Bool

        Return true iff e contains the constant declName. Remark: the results for visited expressions are stored in the state cache.