Merge #728

728: add postfix completion for `dbg!()` with `.dbg` r=matklad a=hdhoang

closes #716 

Co-authored-by: Hoàng Đức Hiếu <[email protected]>

Author: bors[bot]

crates/ra_ide_api/src/completion/complete_postfix.rs

@@ -42,6 +42,7 @@ pub(super) fn complete_postfix(acc: &mut Completions, ctx: &CompletionContext) {
         )
         .add_to(acc);
         postfix_snippet(ctx, "while", &format!("while {} {{\n$0\n}}", receiver_text)).add_to(acc);
+        postfix_snippet(ctx, "dbg", &format!("dbg!({})", receiver_text)).add_to(acc);
     }
 }
 
@@ -55,9 +56,9 @@ mod tests {
     }
 
     #[test]
-    fn test_filter_postfix_completion1() {
+    fn postfix_completion_works_for_trivial_path_expression() {
         check_snippet_completion(
-            "filter_postfix_completion1",
+            "postfix_completion_works_for_trivial_path_expression",
             r#"
             fn main() {
                 let bar = "a";
@@ -66,30 +67,4 @@ mod tests {
             "#,
         );
     }
-
-    #[test]
-    fn test_filter_postfix_completion2() {
-        check_snippet_completion(
-            "filter_postfix_completion2",
-            r#"
-            fn main() {
-                let bar = "a";
-                bar.i<|>
-            }
-            "#,
-        );
-    }
-
-    #[test]
-    fn test_filter_postfix_completion3() {
-        check_snippet_completion(
-            "filter_postfix_completion3",
-            r#"
-            fn main() {
-                let bar = "a";
-                bar.if<|>
-            }
-            "#,
-        );
-    }
 }

crates/ra_ide_api/src/completion/snapshots/completion_item__filter_postfix_completion2.snap

@@ -1,10 +1,33 @@
 ---
-created: "2019-01-27T19:56:59.944118550+00:00"
-creator: insta@0.5.2
+created: "2019-02-03T11:38:42.897384636+00:00"
+creator: insta@0.5.3
 expression: kind_completions
 source: crates/ra_ide_api/src/completion/completion_item.rs
 ---
 [
+    CompletionItem {
+        completion_kind: Postfix,
+        label: "dbg",
+        kind: None,
+        detail: None,
+        documentation: None,
+        lookup: None,
+        insert_text: Some(
+            "dbg!(bar)"
+        ),
+        insert_text_format: Snippet,
+        source_range: [76; 76),
+        text_edit: Some(
+            TextEdit {
+                atoms: [
+                    AtomTextEdit {
+                        delete: [72; 76),
+                        insert: ""
+                    }
+                ]
+            }
+        )
+    },
     CompletionItem {
         completion_kind: Postfix,
         label: "if",