Results for: "minmax"

Return a string describing this IO object.

Returns a hash created by using gdbm’s values as keys, and the keys as values.

Returns true if the given key k exists within the database. Returns false otherwise.

Returns a string containing a detailed summary of the keys and values.

Returns the object that defines the beginning of the range.

(1..10).begin   #=> 1

Convert this range object to a printable form (using inspect to convert the begin and end objects).

Returns true if obj is an element of the range, false otherwise.

("a".."z").include?("g")   #=> true
("a".."z").include?("A")   #=> false
("a".."z").include?("cc")  #=> false

If you need to ensure obj is between begin and end, use cover?

("a".."z").cover?("cc")  #=> true

If begin and end are numeric, include? behaves like cover?

(1..3).include?(1.5) # => true

Returns a MatchData object describing the match, or nil if there was no match. This is equivalent to retrieving the value of the special variable $~ following a normal match. If the second parameter is present, it specifies the position in the string to begin the search.

/(.)(.)(.)/.match("abc")[2]   #=> "b"
/(.)(.)/.match("abc", 1)[2]   #=> "c"

If a block is given, invoke the block with MatchData if match succeed, so that you can write

/M(.*)/.match("Matz") do |m|
  puts m[0]
  puts m[1]
end

instead of

if m = /M(.*)/.match("Matz")
  puts m[0]
  puts m[1]
end

The return value is a value from block execution in this case.

Returns a true or false indicates whether the regexp is matched or not without updating $~ and other related variables. If the second parameter is present, it specifies the position in the string to begin the search.

/R.../.match?("Ruby")    #=> true
/R.../.match?("Ruby", 1) #=> false
/P.../.match?("Ruby")    #=> false
$&                       #=> nil

Produce a nicely formatted string-version of rxp. Perhaps surprisingly, #inspect actually produces the more natural version of the string than #to_s.

/ab+c/ix.inspect        #=> "/ab+c/ix"

Returns the Encoding object that represents the encoding of obj.

Returns true if the set contains the given object.

Note that include? and member? do not test member equality using == as do other Enumerables.

See also Enumerable#include?

Returns true if the set and the given set have at least one element in common.

Set[1, 2, 3].intersect? Set[4, 5]   #=> false
Set[1, 2, 3].intersect? Set[3, 4]   #=> true

Returns true if the set and the given set have no element in common. This method is the opposite of intersect?.

Set[1, 2, 3].disjoint? Set[3, 4]   #=> false
Set[1, 2, 3].disjoint? Set[4, 5]   #=> true

Returns a string containing a human-readable representation of the set (“#<Set: {element1, element2, …}>”).

Returns the representation of sym as a symbol literal.

:fred.inspect   #=> ":fred"

In general, to_sym returns the Symbol corresponding to an object. As sym is already a symbol, self is returned in this case.

Returns sym.to_s.match.

Returns sym.to_s.match?.

Returns the Encoding object that represents the encoding of sym.

Callback invoked whenever a subclass of the current class is created.

Example:

class Foo
  def self.inherited(subclass)
    puts "New subclass: #{subclass}"
  end
end

class Bar < Foo
end

class Baz < Bar
end

produces:

New subclass: Bar
New subclass: Baz

Returns true if self points to a mountpoint.

Joins the given pathnames onto self to create a new Pathname object.

path0 = Pathname.new("/usr")                # Pathname:/usr
path0 = path0.join("bin/ruby")              # Pathname:/usr/bin/ruby
    # is the same as
path1 = Pathname.new("/usr") + "bin/ruby"   # Pathname:/usr/bin/ruby
path0 == path1
    #=> true