2652cc18b8
This PR standardizes error messages by quoting names with backticks. The changes were automated, so some cases may still be missing.
68 lines
1.6 KiB
Text
68 lines
1.6 KiB
Text
/-!
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# Invalid named arguments in patterns
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This test assesses hints in error messages for invalid argument names in patterns.
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-/
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inductive T where
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| mk1 (num : Nat) (str : String)
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| mk2 (x y z : Bool)
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/--
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error: Invalid argument name `w` for function `T.mk2`
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Hint: Perhaps you meant one of the following parameter names:
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• `x`: w̵x̲
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-/
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#guard_msgs in
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example (t : T) :=
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match t with
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| .mk2 (y := true) (w := true) (z := false) => ()
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| _ => ()
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/--
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error: Invalid argument name `w` for function `T.mk2`
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Hint: Replace `w` with one of the following parameter names:
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• `x`: w̵x̲
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-/
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#guard_msgs in
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example (t : T) :=
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match t with
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| T.mk2 (y := true) (w := true) (z := false) => ()
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| _ => ()
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/-- error: Invalid pattern: Too many arguments to `T.mk2`; expected 3 explicit arguments -/
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#guard_msgs in
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example (t : T) :=
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match t with
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| T.mk2 a b (y := true) (z := false) (w := true) => ()
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| _ => ()
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/--
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error: Invalid argument names `n` and `s` for function `T.mk1`
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Hint: Replace `n` with one of the following parameter names:
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• `num`: nu̲m̲
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• `str`: n̵s̲t̲r̲
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-/
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#guard_msgs in
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example (t : T) :=
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match t with
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| T.mk1 (n := 17) (s := "hi") => ()
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| _ => ()
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-- Ensure we don't offer hints for synthetic syntax:
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macro "make_synthetic_bad_match" : command => `(
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example (t : T) :=
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match t with
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| T.mk1 (m := 0) (n := 1) .. => ()
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| _ => ()
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)
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/--
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error: Invalid argument names `m` and `n` for function `T.mk1✝`
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Hint: Perhaps you meant one of the following parameter names: `num` or `str`
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-/
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#guard_msgs in
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make_synthetic_bad_match
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