11218: fix: Correct has_ref detection, avoiding duplicate &mut insertion on parameter completion r=Veykril a=weirane The original code fails to detect there's a ref in scenarios such as `&mut s` and `& s` because `WHITESPACE` and `IDENT` got reversed. Closes #11199. Co-authored-by: Wang Ruochen <wrc@ruo-chen.wang> |
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