Switching render_template to render_body.

The body element is re-used as a child element in blocks, so it makes more sense to make a function that renders that as opposed to a function that renders a top-level-only container that contains only a body.

src/parser/mod.rs

@@ -7,6 +7,7 @@ pub use node_invoker::run_node_dust;
 pub use node_invoker::NodeError;
 pub use node_invoker::Result;
 pub use parser::template;
+pub use parser::Body;
 pub use parser::DustTag;
 pub use parser::Template;
 pub use parser::TemplateElement;

src/renderer/renderer.rs

@@ -1,4 +1,5 @@
 use crate::parser::template;
+use crate::parser::Body;
 use crate::parser::DustTag;
 use crate::parser::Template;
 use crate::parser::TemplateElement;
@@ -58,15 +59,15 @@ impl<'a> DustRenderer<'a> {
                 });
             }
         };
-        self.render_template(main_template, context)
+        self.render_body(&main_template.contents, context)
     }
 
-    fn render_template<C>(&self, template: &Template, context: &C) -> Result<String, RenderError>
+    fn render_body<C>(&self, body: &Body, context: &C) -> Result<String, RenderError>
     where
         C: ContextElement,
     {
         let mut output = String::new();
-        for elem in &template.contents.elements {
+        for elem in &body.elements {
             match elem {
                 TemplateElement::TESpan(span) => output.push_str(span.contents),
                 TemplateElement::TETag(dt) => {