chore: minor cleanup for chained else support in #629

Author: sunng87

CHANGELOG.md

@@ -1,5 +1,9 @@
 # Change Log
 
+## [Unreleased](https://github.com/sunng87/handlebars-rust/compare/5.0.0...Unreleased) - ReleaseDate
+
+* [Added] Chained `else if` block support [#629]
+
 ## [5.0.0](https://github.com/sunng87/handlebars-rust/compare/4.3.4...5.0.0) - 2023-12-31
 
 * [Added] public mutable access to local variables in `BlockContext` [#533]

src/helpers/helper_if.rs

@@ -138,6 +138,21 @@ mod test {
         );
     }
 
+    #[test]
+    fn test_if_else_chain4() {
+        let handlebars = Registry::new();
+
+        assert_eq!(
+            "1".to_owned(),
+            handlebars
+                .render_template(
+                    "{{#if a}}1{{else if b}}2{{else if c}}3{{else if d}}4{{/if}}",
+                    &json!({"a":1})
+                )
+                .unwrap()
+        );
+    }
+
     #[test]
     fn test_if_include_zero() {
         use std::f64;

src/lib.rs

@@ -108,10 +108,6 @@
 //! First of all, mustache blocks are not supported. I suggest you to use `#if` and `#each` for
 //! the same functionality.
 //!
-//! There are some other minor features missing:
-//!
-//! * Chained else [#12](https://github.com/sunng87/handlebars-rust/issues/12)
-//!
 //! Feel free to file an issue on [github](https://github.com/sunng87/handlebars-rust/issues) if
 //! you find missing features.
 //!

src/render.rs

@@ -665,18 +665,6 @@ impl Parameter {
     }
 }
 
-impl Renderable for HelperTemplate {
-    fn render<'reg: 'rc, 'rc>(
-        &'rc self,
-        registry: &'reg Registry<'reg>,
-        ctx: &'rc Context,
-        rc: &mut RenderContext<'reg, 'rc>,
-        out: &mut dyn Output,
-    ) -> Result<(), RenderError> {
-        render_helper(self, registry, ctx, rc, out)
-    }
-}
-
 impl Renderable for Template {
     fn render<'reg: 'rc, 'rc>(
         &'rc self,