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検索結果
先頭5件
-
Thread
# raise(error _ type , message , traceback) -> () (18225.0) -
自身が表すスレッドで強制的に例外を発生させます。
...させます。
@param error_type Kernel.#raise を参照してください。
@param message Kernel.#raise を参照してください。
@param traceback Kernel.#raise を参照してください。
Thread.new {
sleep 1
Thread.main.raise "foobar"
}
begin
sleep
rescue
p......$!, $@
end
=> #<RuntimeError: foobar>
["-:3"]... -
Fiber
# raise -> object (18215.0) -
selfが表すファイバーが最後に Fiber.yield を呼んだ場所で例外を発生させます。
...ew { Fiber.yield }
f.resume
f.raise "Error!" # => Error! (RuntimeError)
//}
//emlist[ファイバー内のイテレーションを終了させる例][ruby]{
f = Fiber.new do
loop do
Fiber.yield(:loop)
end
:exit
end
p f.resume # => :loop
p f.raise StopIteration # => :exit
//}... -
Fiber
# raise(exception , message = nil , backtrace = nil) -> object (18215.0) -
selfが表すファイバーが最後に Fiber.yield を呼んだ場所で例外を発生させます。
...ew { Fiber.yield }
f.resume
f.raise "Error!" # => Error! (RuntimeError)
//}
//emlist[ファイバー内のイテレーションを終了させる例][ruby]{
f = Fiber.new do
loop do
Fiber.yield(:loop)
end
:exit
end
p f.resume # => :loop
p f.raise StopIteration # => :exit
//}... -
Fiber
# raise(message) -> object (18215.0) -
selfが表すファイバーが最後に Fiber.yield を呼んだ場所で例外を発生させます。
...ew { Fiber.yield }
f.resume
f.raise "Error!" # => Error! (RuntimeError)
//}
//emlist[ファイバー内のイテレーションを終了させる例][ruby]{
f = Fiber.new do
loop do
Fiber.yield(:loop)
end
:exit
end
p f.resume # => :loop
p f.raise StopIteration # => :exit
//}... -
Array
# -(other) -> Array (18118.0) -
自身から other の要素を取り除いた配列を生成して返します。
...変換を試みます。
@raise TypeError 引数に配列以外の(暗黙の型変換が行えない)オブジェクトを
指定した場合に発生します。
//emlist[例][ruby]{
[1, 2, 1, 3, 1, 4] - [4, 2] # => [1, 1, 3, 1]
[1, 2, 1, 3, 1, 4] - [1, 4] # => [2, 3]
//}... -
Set
# -(enum) -> Set (18112.0) -
差集合、すなわち、元の集合の要素のうち引数 enum に含まれる要素を取り除いた 新しい集合を作ります。
...@param enum each メソッドが定義されたオブジェクトを指定します。
@raise ArgumentError 引数 enum に each メソッドが定義されていない場合に
発生します。
//emlist[][ruby]{
require 'set'
p Set[10, 20, 30] - Set[10, 20, 40]
# => #<Set: {30}>
//}... -
Date
# -(x) -> Rational | Date (18107.0) -
x が日付オブジェクトなら、ふたつの差を Rational で返します。単位は日です。 あるいは x が数値ならば、self より x 日前の日付を返します。
...の差を Rational で返します。単位は日です。
あるいは
x が数値ならば、self より x 日前の日付を返します。
@param x 日数、あるいは日付オブジェクト
@raise TypeError x が数値でも日付オブジェクトでもない場合に発生します。... -
Matrix
# -(m) -> Matrix (18106.0) -
self から行列mを減算した行列を返します。 self の column_size が 1 なら Vector オブジェクトも指定出来ます。
...した行列を返します。
self の column_size が 1 なら Vector オブジェクトも指定出来ます。
@param m 減算する行列。減算可能な行列やベクトルを指定します。
@raise ExceptionForMatrix::ErrDimensionMismatch 次元が合わない場合に発生します... -
OpenSSL
:: BN # -(other) -> OpenSSL :: BN (18106.0) -
自身から other を引いた値を返します。
...自身から other を引いた値を返します。
@param other 引く整数
@raise OpenSSL::BNError 計算時エラー
@see OpenSSL::BN#mod_sub... -
Vector
# -(v) -> Vector | Matrix (18106.0) -
self からベクトル v を減じたベクトルを返します。
...値も Matrix オブジェクトになります。
@param v 減算するベクトル。減算可能な行列やベクトルを指定します。
@raise ExceptionForMatrix::ErrDimensionMismatch 自分自身と引数のベクト
ルの要素の数(次元)が異なっていたときに発生... -
Kernel
. # raise -> () (15239.0) -
例外を発生させます。 発生した例外は変数 $! に格納されます。また例外が 発生した時のスタックトレースは変数 $@ に格納され ます。発生した例外は rescue 節で捕捉できます。
...捉されている時には例外 RuntimeError を発生させます。
//emlist[例][ruby]{
begin
open("nonexist")
rescue
raise #=> `open': No such file or directory - "nonexist" (Errno::ENOENT)
end
//}
引数を渡した場合は、例外メッセージ message を持った error_type の......tion#cause に設定する例外を指定します。
@raise TypeError exception メソッドが例外オブジェクトを返さなかった場合に発生します。
例外の捕捉の例を示します。
//emlist[例1][ruby]{
begin
raise NameError,"!!error!!"
rescue ArgumentError => err
res......ameError => err
rescue TypeError => err
ensure
p err #=> #<NameError: !!error!!>
end
//}
//emlist[例2][ruby]{
def foo num
print 'in method.'
raise "error!!" if num <= 9
rescue RuntimeError
num += 10
print 'in rescue.'
retry
else
print 'in else.'
ensure
print "in ensure.\n"
end
foo......ブジェクトまたは nil を指定できます。
@raise TypeError exception メソッドが例外オブジェクトを返さなかった場合に発生します。
例外の捕捉の例を示します。
//emlist[例1][ruby]{
begin
raise NameError,"!!error!!"
rescue ArgumentError => err
res...