Class: Numeric

Inherits:
Object show all
Defined in:
lib/ruby/commons/core_ext/object/blank.rb,
lib/ruby/commons/core_ext/numeric/integer.rb,
lib/ruby/commons/core_ext/object/duplicable.rb

Overview

:nodoc:

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.mp_is_int?(obj) ⇒ Boolean

TODO

Returns:

  • (Boolean) 


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# File 'lib/ruby/commons/core_ext/numeric/integer.rb', line 4

def self.mp_is_int?(obj)
  value = obj.to_s
  value.to_i.to_s == value
end

.mp_to_i(value, default = nil) ⇒ Object

TODO



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# File 'lib/ruby/commons/core_ext/numeric/integer.rb', line 11

def self.mp_to_i(value, default = nil)
  mp_is_int?(value) ? value.to_i : default
end

Instance Method Details

#mp_blank? ⇒ false

No number is blank:

1.mp_blank? # => false
0.mp_blank? # => false

Returns:

  • (false) 


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# File 'lib/ruby/commons/core_ext/object/blank.rb', line 136

def mp_blank?
  false
end

#mp_duplicable? ⇒ Boolean

Numbers are not duplicable:

3.mp_duplicable? # => false
3.dup            # => TypeError: can't dup Fixnum

Returns:

  • (Boolean) 


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# File 'lib/ruby/commons/core_ext/object/duplicable.rb', line 79

def mp_duplicable?
  false
end