Class: Traits::List

Inherits:
Object
  • Object
show all
Includes:
Enumerable
Defined in:
lib/traits/list.rb

Direct Known Subclasses

AttributeList

Instance Method Summary collapse

Constructor Details

#initialize(list = []) ⇒ List

Returns a new instance of List.



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# File 'lib/traits/list.rb', line 8

def initialize(list = [])
  @list = list
end

Instance Method Details

#[](arg) ⇒ Object 



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# File 'lib/traits/list.rb', line 24

def [](arg)
  by_name(arg)
end

#by_name(name) ⇒ Object 



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# File 'lib/traits/list.rb', line 32

def by_name(name)
  name = name.to_sym if name.kind_of?(String)
  find { |attr| attr.name == name }
end

#each(&block) ⇒ Object 



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# File 'lib/traits/list.rb', line 28

def each(&block)
  @list.each(&block)
end

#filter(hash) ⇒ Object 



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# File 'lib/traits/list.rb', line 12

def filter(hash)
  select do |item|
    hash.all? { |method, expected| compare(item, method, expected) }
  end
end

#first_where(hash) ⇒ Object 



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# File 'lib/traits/list.rb', line 18

def first_where(hash)
  find do |item|
    hash.all? { |method, expected| compare(item, method, expected) }
  end
end

#to_hash ⇒ Object 



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# File 'lib/traits/list.rb', line 37

def to_hash
  each_with_object({}) { |item, memo| memo[item.name] = item.to_hash }
end