Results for: "uniq!"

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A FetchError that indicates that the reason for not being able to fetch data was that the host could not be contacted

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Error raised when no cdylib artifact was created

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IO wrapper that allows writing a limited amount of data

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Returns a new array containing those elements from self that are not duplicates, the first occurrence always being retained.

With no block given, identifies and omits duplicate elements using method eql? to compare elements:

a = [0, 0, 1, 1, 2, 2]
a.uniq # => [0, 1, 2]

With a block given, calls the block for each element; identifies and omits “duplicate” elements using method eql? to compare block return values; that is, an element is a duplicate if its block return value is the same as that of a previous element:

a = ['a', 'aa', 'aaa', 'b', 'bb', 'bbb']
a.uniq {|element| element.size } # => ["a", "aa", "aaa"]

Related: Methods for Fetching.

With no block, returns a new array containing only unique elements; the array has no two elements e0 and e1 such that e0.eql?(e1):

%w[a b c c b a a b c].uniq       # => ["a", "b", "c"]
[0, 1, 2, 2, 1, 0, 0, 1, 2].uniq # => [0, 1, 2]

With a block, returns a new array containing elements only for which the block returns a unique value:

a = [0, 1, 2, 3, 4, 5, 5, 4, 3, 2, 1]
a.uniq {|i| i.even? ? i : 0 } # => [0, 2, 4]
a = %w[a b c d e e d c b a a b c d e]
a.uniq {|c| c < 'c' }         # => ["a", "c"]

Like Enumerable#uniq, but chains operation to be lazy-evaluated.

Returns a new array that is the union of the elements of self and all given arrays other_arrays; items are compared using eql?:

[0, 1, 2, 3].union([4, 5], [6, 7]) # => [0, 1, 2, 3, 4, 5, 6, 7]

Removes duplicates (preserving the first found):

[0, 1, 1].union([2, 1], [3, 1]) # => [0, 1, 2, 3]

Preserves order (preserving the position of the first found):

[3, 2, 1, 0].union([5, 3], [4, 2]) # => [3, 2, 1, 0, 5, 4]

With no arguments given, returns a copy of self.

Related: see Methods for Combining.

Returns a new regexp that is the union of the given patterns:

r = Regexp.union(%w[cat dog])      # => /cat|dog/
r.match('cat')      # => #<MatchData "cat">
r.match('dog')      # => #<MatchData "dog">
r.match('cog')      # => nil

For each pattern that is a string, Regexp.new(pattern) is used:

Regexp.union('penzance')             # => /penzance/
Regexp.union('a+b*c')                # => /a\+b\*c/
Regexp.union('skiing', 'sledding')   # => /skiing|sledding/
Regexp.union(['skiing', 'sledding']) # => /skiing|sledding/

For each pattern that is a regexp, it is used as is, including its flags:

Regexp.union(/foo/i, /bar/m, /baz/x)
# => /(?i-mx:foo)|(?m-ix:bar)|(?x-mi:baz)/
Regexp.union([/foo/i, /bar/m, /baz/x])
# => /(?i-mx:foo)|(?m-ix:bar)|(?x-mi:baz)/

With no arguments, returns /(?!)/:

Regexp.union # => /(?!)/

If any regexp pattern contains captures, the behavior is unspecified.

Returns a new set built by merging the set and the elements of the given enumerable object.

Set[1, 2, 3] | Set[2, 4, 5]         #=> #<Set: {1, 2, 3, 4, 5}>
Set[1, 5, 'z'] | (1..6)             #=> #<Set: {1, 5, "z", 2, 3, 4, 6}>

creates a new socket connected to path using UNIX socket socket.

If a block is given, the block is called with the socket. The value of the block is returned. The socket is closed when this method returns.

If no block is given, the socket is returned.

# talk to /tmp/sock socket.
Socket.unix("/tmp/sock") {|sock|
  t = Thread.new { IO.copy_stream(sock, STDOUT) }
  IO.copy_stream(STDIN, sock)
  t.join
}

returns an addrinfo object for UNIX socket address.

socktype specifies the socket type. If it is omitted, :STREAM is used.

Addrinfo.unix("/tmp/sock")         #=> #<Addrinfo: /tmp/sock SOCK_STREAM>
Addrinfo.unix("/tmp/sock", :DGRAM) #=> #<Addrinfo: /tmp/sock SOCK_DGRAM>

returns true if addrinfo is UNIX address. returns false otherwise.

Addrinfo.tcp("127.0.0.1", 80).unix? #=> false
Addrinfo.tcp("::1", 80).unix?       #=> false
Addrinfo.unix("/tmp/sock").unix?    #=> true

Unregister port from the monitoring ports.

Returns true if coverage stats are currently being collected (after Coverage.start call, but before Coverage.result call)

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