7709: Added the assist to generate is_empty function

the assist will be shown when the len function is implemented.
is_empty internally uses len function.

1 files changed, 25 insertions, 0 deletions

diff --git a/crates/ide_assists/src/tests/generated.rs b/crates/ide_assists/src/tests/generated.rs
index 3f77edd8d..66fbcc968 100644
--- a/crates/ide_assists/src/tests/generated.rs
+++ b/crates/ide_assists/src/tests/generated.rs
@@ -722,6 +722,31 @@ impl<T: Clone> Ctx<T> {
 }
 
 #[test]
+fn doctest_generate_is_empty_from_len() {
+    check_doc_test(
+        "generate_is_empty_from_len",
+        r#####"
+impl MyStruct {
+    p$0ub fn len(&self) -> usize {
+        self.data.len()
+    }
+}
+"#####,
+        r#####"
+impl MyStruct {
+    pub fn len(&self) -> usize {
+        self.data.len()
+    }
+
+    pub fn is_empty(&self) -> bool {
+        self.len() == 0
+    }
+}
+"#####,
+    )
+}
+
+#[test]
 fn doctest_generate_new() {
     check_doc_test(
         "generate_new",