Class: Naming::Meta

Inherits:
StructX
  • Object
show all
Defined in:
lib/naming/meta.rb

Overview

Meta is a container of name and value. This is super class of all naming classes.

Class Method Summary collapse

Class Method Details

.name ⇒ Symbol

Return the name as symbol. It is just name, doesn’t include module path.

Examples:

Naming::A.name #=> :A

Returns:

  • (Symbol) —

    the name



50
51
52
 
# File 'lib/naming/meta.rb', line 50

def name
  self.to_s.split("::").last.to_sym
end

.others(array) ⇒ Object

Collect objects from the array excluding named objects which have the same name.

Examples:

Naming::A.values([
  Naming.A(1),
  Naming.B(2),
  "abc",
  Naming.A(3),
  123,
  nil
]) #=> [Naming.B(2), "abc", 123, nil]

Parameters:

  • array (Array) —

    target of value extraction



39
40
41
 
# File 'lib/naming/meta.rb', line 39

def others(array)
  array.select{|elt| not(elt.kind_of?(self))}
end

.values(array) ⇒ Object

Extract values which have the same name from the array.

Examples:

Naming::A.values([
  Naming.A(1),
  Naming.B(2),
  "abc",
  Naming.A(3),
  123,
  nil
]) #=> [1, 3]

Parameters:

  • array (Array) —

    target of value extraction



20
21
22
 
# File 'lib/naming/meta.rb', line 20

def values(array)
  array.select{|elt| elt.kind_of?(self)}.map{|elt| elt.value}
end