52d4189805
Now, `dsimp` fails if the goal did not change.
We can use the config object to obtain the previous behavior:
```
dsimp {fail_if_unchaged := ff}
```
See comment https://github.com/leanprover/lean/issues/1694#issuecomment-310956315
at issue #1694
|
||
|---|---|---|
| .. | ||
| basic.lean | ||
| bitwise.lean | ||
| default.lean | ||
| div.lean | ||
| find.lean | ||
| gcd.lean | ||
| lemmas.lean | ||
| pow.lean | ||