Class: Object

Inherits:
BasicObject
Defined in:
lib/open_classes/object/guard.rb,
lib/open_classes/object/any_of.rb,
lib/open_classes/object/boolean.rb,
lib/open_classes/object/to_bool.rb,
lib/open_classes/object/my_methods.rb

Overview

Object

Instance Method Summary collapse

Instance Method Details

#any_of?(*args) ⇒ Boolean

If self match any one of args, return true.

"hoge".any_of? %w{hoge hige} # => true
"hige".any_of? %w{hoge hige} # => true
"hege".any_of? %w{hoge hige} # => false

Returns:

  • (Boolean) 


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# File 'lib/open_classes/object/any_of.rb', line 10

def any_of?(*args)
  args.each { |value|return true if self == value }
  false
end

#boolean? ⇒ Boolean

Check boolean type

boolean? true # => true
boolean? false # => true
boolean? nil # => false
boolean? 'true' # => false
boolean? 'false' # => false
boolean? '' # => false

Returns:

  • (Boolean) 


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# File 'lib/open_classes/object/boolean.rb', line 13

def boolean?
  self.is_a?(TrueClass) || self.is_a?(FalseClass)
end

#guard(condition) ⇒ Object

guard condition

Param

  • :condition - guard condition

Example

guard return case

def hoge(msg)
  guard(msg) {return "guard"}
  "not guard"
end

hoge true # => "guard"
hoge false # => "not guard"

guard fail case

def hoge(msg)
  guard(msg) {fail ArgumentError, 'error!!'}
  "not guard"
end

hoge true # => raise ArgumentError. message = error!!
hoge false # => "not guard"



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# File 'lib/open_classes/object/guard.rb', line 32

def guard(condition)
  yield if condition
end

#my_methods ⇒ Object

Get self define methods.

class SampleClass < String
  def public_hello
    "public hello"
  end

  protected

  def protected_hello
    "protected hello"
  end

  private

  def private_hello
    "private hello"
  end
end

SampleClass.new.my_methods # => [:public_hello, :protected_hello, :private_hello]



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# File 'lib/open_classes/object/my_methods.rb', line 26

def my_methods
  public_methods(false) + protected_methods(false) + private_methods(false)
end

#to_bool ⇒ Object

you get bool value

true.to_bool # => true
false.to_bool # => false
0.to_bool # => true
1.to_bool # => true
''.to_bool # => true
'true'.to_bool # => true
'false'.to_bool # => true
nil.to_bool # => false



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# File 'lib/open_classes/object/to_bool.rb', line 15

def to_bool
  !!self
end

#unless_guard(condition) ⇒ Object

unless_guard condition

Param

  • :condition - guard condition

Example

unless_guard return case

def hoge(msg)
  unless_guard(msg) {return "unless_guard"}
  "not unless_guard"
end

hoge false # => "unless_guard"
hoge true # => "not unless_guard"

unless_guard fail case

def hoge(msg)
  unless_guard(msg) {fail ArgumentError, 'error!!'}
  "not unless_guard"
end

hoge false # => raise ArgumentError. message = error!!
hoge true # => "not unless_guard"



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# File 'lib/open_classes/object/guard.rb', line 63

def unless_guard(condition)
  yield unless condition
end