2a67a49f31
This PR deprecates the tactics `simp_arith`, `simp_arith!`, `simp_all_arith` and `simp_all_arith!`. Users can just use the `+arith` option.
33 lines
541 B
Text
33 lines
541 B
Text
@[simp] def foo (a : Nat) : Nat :=
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2 * a
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/--
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info: case h
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x : Nat
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⊢ 2 * x = x + x
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-/
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#guard_msgs in
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example : foo = fun a => a + a :=
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by
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fail_if_success simp -- should not unfold `foo` into a lambda
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funext x
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simp -- unfolds `foo`
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trace_state
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simp +arith
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@[simp] def boo : Nat → Nat
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| a => 2 * a
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/--
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info: case h
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x : Nat
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⊢ 2 * x = x + x
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-/
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#guard_msgs in
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example : boo = fun a => a + a :=
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by
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fail_if_success simp -- should not unfold `boo` into a lambda
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funext x
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simp -- unfolds `boo`
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trace_state
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simp +arith
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