f70b7e5722
This PR makes stricter requirements for the `@[deprecated]` attribute, requiring either a replacement identifier as `@[deprecated bar]` or suggestion text `@[deprecated "Past its use by date"]`, and also requires a `since := "..."` field.
29 lines
513 B
Text
29 lines
513 B
Text
def a := 1
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@[deprecated "Don't use `hi`." (since := "1970-01-01")]
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theorem hi : a = 1 := rfl
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attribute [simp] hi
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example (h : 1 = b) : a = b := by
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simp
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guard_target =ₛ 1 = b
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exact h
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set_option linter.all true
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example (h : 1 = b) : a = b := by
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simp[
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hi
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]
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guard_target =ₛ 1 = b
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exact h
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@[deprecated "Don't use `hi'`, either." (since := "1970-01-01")]
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theorem hi' : True := .intro
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example : True := by
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-- the warning is on `simp`
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simp [
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hi' -- warning should be logged here
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]
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