1655b6e2bb
Changes `_ptr`, `_list`, and `_vector` syntax to be more permissive. Matching by symbol rather than binding is usually the wrong choice, but the position where `i`, `o`, or `io` is recognized in `_ptr` and company is not an expression position. Also, `i`, `o`, and `io` are not otherwise bound. So, it's difficult to justify the current behavior. If `_ptr` and company were defined today, we'd use keywords like `#:i` instead of symbols like `i`. A potential drawback of this change is that a `i`, `o`, or `io` might be written with the intent of referring to a binding, and this change makes such a reference silently allwowed instead of an errror. That seems relatively unlikely, however, while having to avoid `i`, `o`, or `io` as a binding is occassionally a pain --- something I've run into once or maybe twice. Closes #887 |
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