diff options
| -rw-r--r-- | askama_derive/src/generator.rs | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/askama_derive/src/generator.rs b/askama_derive/src/generator.rs index 7cdc7b4..409b698 100644 --- a/askama_derive/src/generator.rs +++ b/askama_derive/src/generator.rs @@ -38,7 +38,9 @@ pub fn generate(ast: &syn::DeriveInput, path: &str, mut nodes: Vec<Node>) -> Str if base.is_none() { gen.define_trait(&trait_name, &block_names); } else { - gen.deref_to_parent(ast, &get_parent_type(ast).unwrap()); + let parent_type = get_parent_type(ast) + .expect("expected field '_parent' in extending template struct"); + gen.deref_to_parent(ast, &parent_type); } let trait_nodes = if base.is_none() { Some(&content[..]) } else { None }; |