Danny Zhu 09fc5e1dd7 Check more carefully for cases where a rename can't be done ... Attempting to rename an element of a tuple field would previously replace the type with the new name, which doesn't make sense; now it fails instead. The check is done in both `prepare_rename` and `rename` so that the case is caught before the user is prompted for a new name. Some other existing failure cases are also now additionally checked in `prepare_rename`.		2021-04-25 14:08:56 -07:00
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rename.rs	Check more carefully for cases where a rename can't be done	2021-04-25 14:08:56 -07:00