[fdiff.color] add docstring documentation

chrissimpkins · chrissimpkins · commit 72fb5c3e44e6 · 2019-09-04T22:02:10.000-04:00
diff --git a/lib/fdiff/color.py b/lib/fdiff/color.py
@@ -18,6 +18,8 @@
 
 
 def color_unified_diff_line(line):
+    """Returns an ANSI escape code colored string with color based
+    on the unified diff line type."""
     if line[0:2] == "+ ":
         return f"{green_start}{line}{reset}"
     elif line[0:2] == "- ":
