From e4e79990dad90aea17ea99e54fcd60435927bb56 Mon Sep 17 00:00:00 2001
From: Laurenz <laurmaedje@gmail.com>
Date: Sun, 29 Aug 2021 15:09:54 +0200
Subject: Allow body for font function once again

---
 src/eval/template.rs | 13 +++++++++++++
 1 file changed, 13 insertions(+)

(limited to 'src/eval')

diff --git a/src/eval/template.rs b/src/eval/template.rs
index 4fc6985a..f4feda40 100644
--- a/src/eval/template.rs
+++ b/src/eval/template.rs
@@ -140,6 +140,19 @@ impl Template {
         self.make_mut().push(TemplateNode::Modify(Rc::new(f)));
     }
 
+    /// Return a new template which is modified from start to end.
+    pub fn modified<F>(self, f: F) -> Self
+    where
+        F: Fn(&mut State) + 'static,
+    {
+        let mut wrapper = Self::new();
+        wrapper.save();
+        wrapper.modify(f);
+        wrapper += self;
+        wrapper.restore();
+        wrapper
+    }
+
     /// Build the stack node resulting from instantiating the template in the
     /// given state.
     pub fn to_stack(&self, state: &State) -> StackNode {
-- 
cgit v1.2.3