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検索結果
先頭5件
-
Socket
:: Ifaddr # addr -> Addrinfo | nil (9233.0) -
self のアドレスを Addrinfo オブジェクトで返します。 self が利用できない場合は nil を返します。
...
self のアドレスを Addrinfo オブジェクトで返します。
self が利用できない場合は nil を返します。... -
Socket
:: Ifaddr # dstaddr -> Addrinfo | nil (9233.0) -
self の宛先アドレスを Addrinfo オブジェクトで返します。 self.flags で Socket::IFF_POINTOPOINT が有効ではない場合は nil を返します。
...
self の宛先アドレスを Addrinfo オブジェクトで返します。
self.flags で Socket::IFF_POINTOPOINT が有効ではない場合は nil を返します。... -
Array
# to _ ary -> self (9224.0) -
self をそのまま返します。
...
self をそのまま返します。
//emlist[例][ruby]{
class SubArray < Array; end
ary1 = Array([1, 2, 3, 4])
ary2 = SubArray([1, 2, 3, 4])
ary1.to_ary # => [1, 2, 3, 4]
ary1.to_ary.class # => Array
ary2.to_ary # => [1, 2, 3, 4]
ary2.to_ary.class # => SubArray
//}
@see Array#t......o_a... -
Float
# next _ float -> Float (9223.0) -
浮動小数点数で表現可能な self の次の値を返します。
...で表現可能な self の次の値を返します。
Float::MAX.next_float、Float::INFINITY.next_float は
Float::INFINITY を返します。Float::NAN.next_float は
Float::NAN を返します。
//emlist[例][ruby]{
p 0.01.next_float # => 0.010000000000000002
p 1.0.next_float # => 1.000000......0.next_float # => 100.00000000000001
p 0.01.next_float - 0.01 # => 1.734723475976807e-18
p 1.0.next_float - 1.0 # => 2.220446049250313e-16
p 100.0.next_float - 100.0 # => 1.4210854715202004e-14
f = 0.01; 20.times { printf "%-20a %s\n", f, f.to_s; f = f.next_float }
# => 0x1.47ae147ae147bp-7......0x1.47ae147ae147cp-7 0.010000000000000002
# 0x1.47ae147ae147dp-7 0.010000000000000004
# 0x1.47ae147ae147ep-7 0.010000000000000005
# 0x1.47ae147ae147fp-7 0.010000000000000007
# 0x1.47ae147ae148p-7 0.010000000000000009
# 0x1.47ae147ae1481p-7 0.01000000000000001
# 0x1.47ae147ae1482p... -
Float
# prev _ float -> Float (9223.0) -
浮動小数点数で表現可能な self の前の値を返します。
...現可能な self の前の値を返します。
(-Float::MAX).prev_float と (-Float::INFINITY).prev_float
は -Float::INFINITY を返します。Float::NAN.prev_float は
Float::NAN を返します。
//emlist[例][ruby]{
p 0.01.prev_float # => 0.009999999999999998
p 1.0.prev_float # => 0.999......0.prev_float # => 99.99999999999999
p 0.01 - 0.01.prev_float # => 1.734723475976807e-18
p 1.0 - 1.0.prev_float # => 1.1102230246251565e-16
p 100.0 - 100.0.prev_float # => 1.4210854715202004e-14
f = 0.01; 20.times { printf "%-20a %s\n", f, f.to_s; f = f.prev_float }
# => 0x1.47ae147ae147bp-7......0x1.47ae147ae147ap-7 0.009999999999999998
# 0x1.47ae147ae1479p-7 0.009999999999999997
# 0x1.47ae147ae1478p-7 0.009999999999999995
# 0x1.47ae147ae1477p-7 0.009999999999999993
# 0x1.47ae147ae1476p-7 0.009999999999999992
# 0x1.47ae147ae1475p-7 0.00999999999999999
# 0x1.47ae147ae1474p... -
Hash
# to _ hash -> self (9218.0) -
self を返します。
...
self を返します。
//emlist[例][ruby]{
hash = {}
p hash.to_hash # => {}
p hash.to_hash == hash # => true
//}
@see Object#to_hash, Hash#to_h... -
Pathname
# fnmatch(pattern , *args) -> bool (9217.0) -
File.fnmatch(pattern, self.to_s, *args) と同じです。
...le.fnmatch(pattern, self.to_s, *args) と同じです。
@param pattern パターンを文字列で指定します。ワイルドカードとして `*', `?', `[]' が使用できま
す。Dir.glob とは違って `{}' や `**/' は使用できません。
@param args File.fnmatch......を参照してください。
//emlist[例][ruby]{
require "pathname"
path = Pathname("testfile")
path.fnmatch("test*") # => true
path.fnmatch("TEST*") # => false
path.fnmatch("TEST*", File::FNM_CASEFOLD) # => true
//}
@see File.fnmatch... -
Pathname
# fnmatch?(pattern , *args) -> bool (9217.0) -
File.fnmatch?(pattern, self.to_s, *args) と同じです。
...le.fnmatch?(pattern, self.to_s, *args) と同じです。
@param pattern パターンを文字列で指定します。ワイルドカードとして `*', `?', `[]' が使用できま
す。Dir.glob とは違って `{}' や `**/' は使用できません。
@param args File.fnmatch......を参照してください。
@see File.fnmatch?... -
Pathname
# lstat -> File :: Stat (9217.0) -
File.lstat(self.to_s) と同じです。
...File.lstat(self.to_s) と同じです。
@see File.lstat... -
Pathname
# stat -> File :: Stat (9217.0) -
File.stat(self.to_s) と同じです。
...File.stat(self.to_s) と同じです。
@see File.stat...