1 files changed, 9 insertions, 0 deletions
diff --git a/src/tools/rust-analyzer/crates/stdx/src/macros.rs b/src/tools/rust-analyzer/crates/stdx/src/macros.rs
index d91fc690c..1a9982fa8 100644
--- a/src/tools/rust-analyzer/crates/stdx/src/macros.rs
+++ b/src/tools/rust-analyzer/crates/stdx/src/macros.rs
@@ -43,5 +43,14 @@ macro_rules! impl_from {
                 }
             )*)?
         )*
+    };
+    ($($variant:ident$(<$V:ident>)?),* for $enum:ident) => {
+        $(
+            impl$(<$V>)? From<$variant$(<$V>)?> for $enum$(<$V>)? {
+                fn from(it: $variant$(<$V>)?) -> $enum$(<$V>)? {
+                    $enum::$variant(it)
+                }
+            }
+        )*
     }
 }