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検索結果
先頭5件
-
Numeric
# -@ -> Numeric (14106.0) -
単項演算子の - です。 self の符号を反転させたものを返します。
...単項演算子の - です。
self の符号を反転させたものを返します。
このメソッドは、二項演算子 - で 0 - self によって定義されています。
@see Integer#-@、Float#-@、Rational#-@、Complex#-@... -
String
# +@ -> String | self (14106.0) -
self が freeze されている文字列の場合、元の文字列の複製を返します。 freeze されていない場合は self を返します。
..._text # => true
original_text.equal?(unfrozen_text) # => true
original_text = "text".freeze
unfrozen_text = +original_text
unfrozen_text.frozen? # => false
original_text == unfrozen_text # => true
original_text.equal?(unfrozen_text) # => false
//}
@see String#-@... -
String
# -@ -> String | self (14106.0) -
self が freeze されている文字列の場合、self を返します。 freeze されていない場合は元の文字列の freeze された (できる限り既存の) 複製を返します。
...t == frozen_text # => true
original_text.equal?(frozen_text) # => false
original_text = "text".freeze
frozen_text = -original_text
frozen_text.frozen? # => true
original_text == frozen_text # => true
original_text.equal?(frozen_text) # => true
//}
@see String#+@... -
Bignum
# -@ -> Integer (14100.0) -
単項演算子の - です。 self の符号を反転させたものを返します。
単項演算子の - です。
self の符号を反転させたものを返します。 -
Complex
# -@ -> Complex (14100.0) -
自身の符号を反転させたものを返します。
自身の符号を反転させたものを返します。
//emlist[例][ruby]{
-Complex(1) # => (-1+0i)
-Complex(-1, 1) # => (1-1i)
//} -
Fixnum
# -@ -> Integer (14100.0) -
単項演算子の - です。 self の符号を反転させたものを返します。
単項演算子の - です。
self の符号を反転させたものを返します。 -
Float
# -@ -> Float (14100.0) -
単項演算子の - です。 self の符号を反転させたものを返します。
単項演算子の - です。
self の符号を反転させたものを返します。
//emlist[例][ruby]{
- 1.2 # => -1.2
- -1.2 # => 1.2
//} -
Integer
# -@ -> Integer (14100.0) -
単項演算子の - です。 self の符号を反転させたものを返します。
単項演算子の - です。
self の符号を反転させたものを返します。
//emlist[][ruby]{
- 10 # => -10
- -10 # => 10
//} -
Kernel
$ $ @ -> [String] | nil (14100.0) -
最後に例外が発生した時のバックトレースを表す配列です。 Kernel.#raise によって設定されます。
...e'"
です。これは Kernel.#caller が返す値と同じ形式です。
$@ へ値を代入するときは、$! が nil であってはいけません。
$@ の値は、$!.backtrace の値と同じです。
また、$@ への代入は $!.set_backtrace 呼び出しと同じです。
文字列の... -
Numeric
# +@ -> self (14100.0) -
単項演算子の + です。 self を返します。
単項演算子の + です。
self を返します。
//emlist[例][ruby]{
+ 10 # => 10
+ (-10) # => -10
+ 0.1 # => 0.1
+ (3r) # => (3/1)
+ (1+3i) # => (1+3i)
//} -
Rational
# -@ -> Rational (14100.0) -
単項演算子の - です。 self の符号を反転させたものを返します。
単項演算子の - です。
self の符号を反転させたものを返します。
//emlist[例][ruby]{
r = Rational(3, 4)
- r # => (-3/4)
//}