Documentation

Lean.Data.RArray

Auxiliary definitions related to Lean.RArray that are typically only used in meta-code, in particular the ToExpr instance.

def Lean.RArray.ofFn {α : Type u_1} {n : Nat} (f : Fin nα) (h : 0 < n) :
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      def Lean.RArray.ofArray {α : Type u_1} (xs : Array α) (h : 0 < xs.size) :
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          theorem Lean.RArray.get_ofFn {α : Type u_1} {n : Nat} (f : Fin nα) (h : 0 < n) (i : Fin n) :
          (ofFn f h).get i = f i

          The correctness theorem for ofFn

          @[simp]
          theorem Lean.RArray.size_ofFn {α : Type u_1} {n : Nat} (f : Fin nα) (h : 0 < n) :
          (ofFn f h).size = n
          def Lean.RArray.toExpr {α : Type u_1} (ty : Expr) (f : αExpr) (a : RArray α) :
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