22 lines
424 B
Text
22 lines
424 B
Text
def foo (_ : Nat) : Nat := 10
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example : foo x = 8 + 2 := by
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fail_if_success simp only
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simp only [Nat.reduceAdd]
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rw [foo]
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example : foo x = 8 + 2 := by
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fail_if_success simp [-Nat.reduceAdd]
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simp only [Nat.reduceAdd]
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rw [foo]
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example (h : 0 = x) : (-2).toNat = x := by
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simp
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guard_target =ₛ 0 = x
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assumption
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example (h : 1 = x) : (1 : Int).toNat = x := by
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simp
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guard_target =ₛ 1 = x
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assumption
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