Add Rust macro support at templates

1 files changed, 11 insertions, 1 deletions

diff --git a/askama_derive/src/generator.rs b/askama_derive/src/generator.rs
index 33fbe4c..41e1647 100644
--- a/askama_derive/src/generator.rs
+++ b/askama_derive/src/generator.rs
@@ -644,10 +644,20 @@ impl<'a> Generator<'a> {
             Expr::Group(ref inner) => self.visit_group(buf, inner),
             Expr::MethodCall(ref obj, method, ref args) => {
                 self.visit_method_call(buf, obj, method, args)
-            }
+            },
+            Expr::RustMacro(name, ref args) => self.visit_rust_macro(buf, name, args),
         }
     }
 
+    fn visit_rust_macro(&mut self, buf: &mut Buffer, name: &str, args: &[Expr]) -> DisplayWrap {
+        buf.write(name);
+        buf.write("!(");
+        self._visit_args(buf, args);
+        buf.write(")");
+
+        DisplayWrap::Unwrapped
+    }
+
     fn visit_match_variant(&mut self, buf: &mut Buffer, param: &MatchVariant) -> DisplayWrap {
         let mut expr_buf = Buffer::new(0);
         let wrapped = match *param {