37 lines
803 B
Text
37 lines
803 B
Text
import Lean
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open Lean
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def checkDefEq (a b : Name) : CoreM Unit := do
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let env ← getEnv
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let a := mkConst a
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let b := mkConst b
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let r ← ofExceptKernelException (Kernel.isDefEq env {} a b)
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IO.println (toString a ++ " =?= " ++ toString b ++ " := " ++ toString r)
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def a1 := 100 + 100
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def a2 := 200
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def a3 := 20
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#eval checkDefEq `a1 `a2
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#eval checkDefEq `a1 `a3
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def v1 := 100000000000 + 100000000000
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def v2 := 200000000000
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def v3 := 200000000001
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def v4 : Bool := 20000000000 > 200000000001
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def v5 := 100000000000 - 100000000000
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def c1 := reduceNat v1
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def c2 := reduceNat v2
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def c3 := reduceNat v3
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def c4 := reduceBool v4
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def c5 := reduceNat v5
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#eval checkDefEq `c1 `c2
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#eval checkDefEq `c1 `c3
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#eval checkDefEq `c5 `Nat.zero
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#eval checkDefEq `Nat.zero `c5
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#eval checkDefEq `c4 `Bool.true
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