2131件ヒット
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検索結果
-
String
# clear -> self (12014.0) -
文字列の内容を削除して空にします。 self を返します。
...文字列の内容を削除して空にします。
self を返します。
//emlist[例][ruby]{
str = "abc"
str.clear
p str # => ""
str = ""
str.clear
p str # => ""
//}... -
String
# empty? -> bool (12014.0) -
文字列が空 (つまり長さ 0) の時、真を返します。
...文字列が空 (つまり長さ 0) の時、真を返します。
//emlist[例][ruby]{
"hello".empty? #=> false
" ".empty? #=> false
"".empty? #=> true
//}... -
String
# reverse! -> self (12014.0) -
文字列を文字単位で左右逆転します。
...文字列を文字単位で左右逆転します。
//emlist[例][ruby]{
str = "foobar"
str.reverse!
p str # => "raboof"
//}...