Convert an object to YAML. See Psych.dump for more information on the available options.
Returns true if exception messages will be sent to a terminal device.
Returns a JSON string representing self:
require 'json/add/exception' puts Exception.new('Foo').to_json
Output:
{"json_class":"Exception","m":"Foo","b":null}
Returns a new Time object with the same value as self; if self is a Julian date, derives its Gregorian date for conversion to the Time object:
Date.new(2001, 2, 3).to_time # => 2001-02-03 00:00:00 -0600 Date.new(2001, 2, 3, Date::JULIAN).to_time # => 2001-02-16 00:00:00 -0600
Returns self.
Returns a DateTime whose value is the same as self:
Date.new(2001, 2, 3).to_datetime # => #<DateTime: 2001-02-03T00:00:00+00:00>
Returns a JSON string representing self:
require 'json/add/date' puts Date.today.to_json
Output:
{"json_class":"Date","y":2023,"m":11,"d":21,"sg":2299161.0}
Returns a Time object which denotes self.
Returns a Date object which denotes self.
Returns self.
Returns a JSON string representing self:
require 'json/add/datetime' puts DateTime.now.to_json
Output:
{"json_class":"DateTime","y":2023,"m":11,"d":21,"sg":2299161.0}
Returns self.
Returns a Date object which denotes self.
Returns a DateTime object which denotes self.
Returns a JSON string representing self:
require 'json/add/time' puts Time.now.to_json
Output:
{"json_class":"Time","s":1700931678,"n":980650786}
Returns self.
Returns the path associated with the IO, or nil if there is no path associated with the IO. It is not guaranteed that the path exists on the filesystem.
$stdin.path # => "<STDIN>" File.open("testfile") {|f| f.path} # => "testfile"
Returns a JSON string representing self:
require 'json/add/bigdecimal' puts BigDecimal(2).to_json puts BigDecimal(2.0, 4).to_json puts BigDecimal(Complex(2, 0)).to_json
Output:
{"json_class":"BigDecimal","b":"27:0.2e1"}
{"json_class":"BigDecimal","b":"36:0.2e1"}
{"json_class":"BigDecimal","b":"27:0.2e1"}
Returns a JSON string representing self:
require 'json/add/ostruct' puts OpenStruct.new('name' => 'Rowdy', :age => nil).to_json
Output:
{"json_class":"OpenStruct","t":{'name':'Rowdy',"age":null}}
Returns a JSON string representing self:
require 'json/add/range' puts (1..4).to_json puts (1...4).to_json puts ('a'..'d').to_json
Output:
{"json_class":"Range","a":[1,4,false]}
{"json_class":"Range","a":[1,4,true]}
{"json_class":"Range","a":["a","d",false]}
Returns a JSON string representing self:
require 'json/add/rational' puts Rational(2, 3).to_json
Output:
{"json_class":"Rational","n":2,"d":3}
Returns a JSON string representing self:
require 'json/add/regexp' puts /foo/.to_json
Output:
{"json_class":"Regexp","o":0,"s":"foo"}
Returns a JSON string representing self:
require 'json/add/set' puts Set.new(%w/foo bar baz/).to_json
Output:
{"json_class":"Set","a":["foo","bar","baz"]}
Returns self if no arguments are given. Otherwise, converts the set to another with klass.new(self, *args, &block).
In subclasses, returns klass.new(self, *args, &block) unless overridden.
Returns a JSON string representing self:
require 'json/add/struct' Customer = Struct.new('Customer', :name, :address, :zip) puts Struct::Customer.new.to_json
Output:
{"json_class":"Struct","t":{'name':'Rowdy',"age":null}}