From a1b8552ae442d1fa22df1e569652eb99750dcebf Mon Sep 17 00:00:00 2001
From: Amir Rajan <ar@amirrajan.net>
Date: Sat, 7 Aug 2021 00:18:49 -0500
Subject: Sync core oss engine files.

---
 dragon/string.rb | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

(limited to 'dragon/string.rb')

diff --git a/dragon/string.rb b/dragon/string.rb
index 62c151a..153ba27 100644
--- a/dragon/string.rb
+++ b/dragon/string.rb
@@ -29,6 +29,30 @@ S
     end
   end
 
+  def char_byte
+    return nil if self.length == 0
+    c = self.each_char.first.bytes
+    c = c.first if c.is_a? Enumerable
+    c
+  end
+
+  def insert_character_at index, char
+    t = each_char.to_a
+    t = (t.insert index, char)
+    t.join
+  end
+
+  def excluding_character_at index
+    t = each_char.to_a
+    t.delete_at index
+    t.join
+  end
+
+  def excluding_last_character
+    return "" if self.length <= 1
+    return excluding_character_at(self.length - 1)
+  end
+
   def end_with_bang?
     self[-1] == "!"
   end
-- 
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