Handle missing Token::Delim variant when rendering errors #213
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Also fold `render_single_char_token` into `render_token` so that in the future, the compiler can check the exhaustiveness of the match and warn us of missing tokens.
| Looks good |
| LGTM |
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Also fold
render_single_char_tokenintorender_tokenso that in the future, the compiler can check the exhaustiveness of the match and warn us of missing tokens.Closes #212