Rails
Ruby 2.6.0
6.1
6.0
5.2
5.1
5.0
4.2
2.5.0
2.7.0
3.0
instance method Net::IMAP::BodyTypeText#description
description -> String | nil
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Content-Description の値を文字列で返します。
[SEE_ALSO]
[RFC2045]