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-rw-r--r-- | docs/user/features.md | 15 |
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diff --git a/docs/user/features.md b/docs/user/features.md index a9cff34d2..48c63ba7b 100644 --- a/docs/user/features.md +++ b/docs/user/features.md | |||
@@ -105,6 +105,21 @@ Start `cargo watch` for live error highlighting. Will prompt to install if it's | |||
105 | 105 | ||
106 | Stop `cargo watch`. | 106 | Stop `cargo watch`. |
107 | 107 | ||
108 | #### Structural Seach and Replace | ||
109 | |||
110 | Search and replace with named wildcards that will match any expression. | ||
111 | The syntax for a structural search replace command is `<search_pattern> ==>> <replace_pattern>`. A `$<name>:expr` placeholder in the search pattern will match any expression and `$<name>` will reference it in the replacement. Available via the command `rust-analyzer.ssr`. | ||
112 | |||
113 | ```rust | ||
114 | // Using structural search replace command [foo($a:expr, $b:expr) ==>> ($a).foo($b)] | ||
115 | |||
116 | // BEFORE | ||
117 | String::from(foo(y + 5, z)) | ||
118 | |||
119 | // AFTER | ||
120 | String::from((y + 5).foo(z)) | ||
121 | ``` | ||
122 | |||
108 | ### Assists (Code Actions) | 123 | ### Assists (Code Actions) |
109 | 124 | ||
110 | Assists, or code actions, are small local refactorings, available in a particular context. | 125 | Assists, or code actions, are small local refactorings, available in a particular context. |