Fix #11 and Cleanup dependencies

src/helpers/equals.rs

@@ -0,0 +1,36 @@
+use handlebars::*;
+
+#[derive(Clone, Copy)]
+pub struct EqualsHelper;
+
+impl HelperDef for EqualsHelper {
+    fn call<'reg: 'rc, 'rc>(
+        &self,
+        h: &Helper<'reg, 'rc>,
+        r: &'reg Handlebars<'_>,
+        ctx: &'rc Context,
+        rc: &mut RenderContext<'reg, 'rc>,
+        out: &mut dyn Output,
+    ) -> HelperResult {
+        let a = h
+            .param(0)
+            .map(|v| v.value().as_object().unwrap())
+            .ok_or_else(|| RenderError::new("Parameter not found!"))?;
+
+        let b = h
+            .param(1)
+            .map(|v| v.value().as_object().unwrap())
+            .ok_or_else(|| RenderError::new("Parameter not found!"))?;
+
+        let tmpl = if a == b {
+            h.template()
+        } else {
+            h.inverse()
+        };
+
+        match tmpl {
+            Some(ref t) => t.render(r, ctx, rc, out),
+            None => Ok(()),
+        }
+    }
+}