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authorZsolt Kozaroczy <[email protected]>2023-05-05 11:45:59 +0200
committerGitHub <[email protected]>2023-05-05 11:45:59 +0200
commit916ba45a77302bcd6e81f2a61a6cff6a2f1f8367 (patch)
treecf28aa1a8ca2c39e03ddca16086ec85b77410269 /lib/axlsx/drawing/num_data_source.rb
parent3d10ac1e1b067de94e4344b25cbfeecd7bf4bdde (diff)
parent816ca05a3903fa4595c4e8382c6201e2615e72f4 (diff)
downloadcaxlsx-916ba45a77302bcd6e81f2a61a6cff6a2f1f8367.tar.gz
caxlsx-916ba45a77302bcd6e81f2a61a6cff6a2f1f8367.zip
Merge pull request #219 from pkmiec/frozenStrings
Frozen strings
Diffstat (limited to 'lib/axlsx/drawing/num_data_source.rb')
-rw-r--r--lib/axlsx/drawing/num_data_source.rb14
1 files changed, 8 insertions, 6 deletions
diff --git a/lib/axlsx/drawing/num_data_source.rb b/lib/axlsx/drawing/num_data_source.rb
index 46f6ba71..af5e31ab 100644
--- a/lib/axlsx/drawing/num_data_source.rb
+++ b/lib/axlsx/drawing/num_data_source.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
module Axlsx
# A numeric data source for use by charts.
class NumDataSource
@@ -42,17 +44,17 @@ module Axlsx
# serialize the object
# @param [String] str
- def to_xml_string(str = "")
- str << ('<c:' << tag_name.to_s << '>')
+ def to_xml_string(str = +'')
+ str << (+'<c:' << tag_name.to_s << '>')
if @f
- str << ('<c:' << @ref_tag_name.to_s << '>')
- str << ('<c:f>' << @f.to_s << '</c:f>')
+ str << (+'<c:' << @ref_tag_name.to_s << '>')
+ str << (+'<c:f>' << @f.to_s << '</c:f>')
end
@data.to_xml_string str
if @f
- str << ('</c:' << @ref_tag_name.to_s << '>')
+ str << (+'</c:' << @ref_tag_name.to_s << '>')
end
- str << ('</c:' << tag_name.to_s << '>')
+ str << (+'</c:' << tag_name.to_s << '>')
end
end
end