Ruby 1.9.3 Reference Manual > All Libraries > Builtin Library > class Encoding::Converter > replacement=

instance method Encoding::Converter#replacement=

replacement=(string)

置換文字を設定します。

[PARAM] string:

変換器に設定する置換文字

ec = Encoding::Converter.new("utf-8", "us-ascii", :undef => :replace)
ec.replacement = "<undef>"
p ec.convert("a \u3042 b")      #=> "a <undef> b"