dup instead of `@+` since we still support Ruby 2.2

上级 ed81031f
...@@ -39,7 +39,7 @@ def [](key) ...@@ -39,7 +39,7 @@ def [](key)
end end
def method_missing(name, *args) def method_missing(name, *args)
name_string = +name.to_s name_string = name.to_s.dup
if name_string.chomp!("=") if name_string.chomp!("=")
self[name_string] = args.first self[name_string] = args.first
else else
......
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