lean4-htt/tests/lean/run/3501.lean
Marc Huisinga 9d427fdfcf
feat: "try this" messages with support for interactivity (#10524)
This PR adds support for interactivity to the combined "try this"
messages that were introduced in #9966. In doing so, it moves the link
to apply a suggestion to a separate `[apply]` button in front of the
suggestion. Hints with diffs remain unchanged, as they did not
previously support interacting with terms in the diff, either.

<img width="379" height="256" alt="Suggestion with interactive message"
src="https://github.com/user-attachments/assets/7838ebf6-0613-46e7-bc88-468a05acbf51"
/>
2025-10-13 13:39:03 +00:00

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Text

/--
info: Try this:
[apply] simp only [Nat.reduceMul, a]
-/
#guard_msgs in
example : True := by
let a := 10
have : a * 2 = 10 * 2 := by
simp [a]
have : a * 2 = 10 * 2 := by
simp? [a] -- should say simp only [Nat.reduceMul, a]
trivial