6574a6f448
5988: Postfix completions for fmt-like string literals r=matklad a=popzxc
This pull request adds a bunch of new postfix completions for `format`-like string literls.
For example, `"{32} {some_var:?}".println` will expand to `println!("{} {:?}", 32, some_var)`.
Postfix completions were added for most common format-like macros:
- `println` -> `println!(...)`
- `fmt` -> `format!(...)`
- `panic` -> `panic!(...)`
- `log` macros:
+ `logi` -> `log::info!(...)`
+ `logw` -> `log::warn!(...)`
+ `loge` -> `log::error!(...)`
+ `logt` -> `log::trace!(...)`
+ `logd` -> `log::debug!(...)`
Co-authored-by: Igor Aleksanov <popzxc@yandex.ru>
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