add test

Author: LastExceed

src/tools/rust-analyzer/crates/ide/src/file_structure.rs

@@ -326,6 +326,17 @@ fn f() {}
 // endregion
 fn g() {}
 }
+
+fn let_statements() {
+    let x = 42;
+    let mut y = x;
+    let Foo {
+        ..
+    } = Foo { x };
+    if let None = Some(x) {}
+    _ = ();
+    let _ = g();
+}
 "#,
             expect![[r#"
                 [
@@ -651,6 +662,71 @@ fn g() {}
                         ),
                         deprecated: false,
                     },
+                    StructureNode {
+                        parent: None,
+                        label: "let_statements",
+                        navigation_range: 641..655,
+                        node_range: 638..798,
+                        kind: SymbolKind(
+                            Function,
+                        ),
+                        detail: Some(
+                            "fn()",
+                        ),
+                        deprecated: false,
+                    },
+                    StructureNode {
+                        parent: Some(
+                            26,
+                        ),
+                        label: "x",
+                        navigation_range: 668..669,
+                        node_range: 664..675,
+                        kind: SymbolKind(
+                            Local,
+                        ),
+                        detail: None,
+                        deprecated: false,
+                    },
+                    StructureNode {
+                        parent: Some(
+                            26,
+                        ),
+                        label: "mut y",
+                        navigation_range: 684..689,
+                        node_range: 680..694,
+                        kind: SymbolKind(
+                            Local,
+                        ),
+                        detail: None,
+                        deprecated: false,
+                    },
+                    StructureNode {
+                        parent: Some(
+                            26,
+                        ),
+                        label: "Foo { .. }",
+                        navigation_range: 703..725,
+                        node_range: 699..738,
+                        kind: SymbolKind(
+                            Local,
+                        ),
+                        detail: None,
+                        deprecated: false,
+                    },
+                    StructureNode {
+                        parent: Some(
+                            26,
+                        ),
+                        label: "_",
+                        navigation_range: 788..789,
+                        node_range: 784..796,
+                        kind: SymbolKind(
+                            Local,
+                        ),
+                        detail: None,
+                        deprecated: false,
+                    },
                 ]
             "#]],
         );