This PR deprecates `let_fun` syntax in favor of `have` and removes `letFun` support from WHNF and `simp`.
10 lines
191 B
Text
10 lines
191 B
Text
def test : (λ x => x)
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=
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(λ x : Nat =>
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have foo := λ y => id (id y)
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foo x) := by
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conv =>
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pattern (id _)
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trace_state
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skip
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rfl
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