Class: MyStruct

Inherits:
OpenStruct
  • Object
show all
Extended by:
Forwarder, ClassMethods
Defined in:
lib/ex_aequo/my_struct.rb,
lib/ex_aequo/my_struct/class_methods.rb

Defined Under Namespace

Modules: ClassMethods Classes: ImmutableError

Instance Method Summary collapse

Methods included from ClassMethods

from_reduce

Instance Method Details

#[]= ⇒ Object

forward :fetch, to: :to_h

Raises:



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# File 'lib/ex_aequo/my_struct.rb', line 13

def[]=(*)
  raise ImmutableError, "cannot change values with []= in immutable instance of #{self.class}"
end

#fetch(*args, &blk) ⇒ Object 



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# File 'lib/ex_aequo/my_struct.rb', line 17

def fetch(*args, &blk)
  to_h.fetch(*args, &blk)
rescue KeyError
  raise KeyError,
    "key #{args.first.inspect} not found in #{self} and no default given to #fetch"
end

#merge(with) ⇒ Object 



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# File 'lib/ex_aequo/my_struct.rb', line 24

def merge(with)
  self.class.new(to_h.merge(with.to_h))
end

#slice(*args) ⇒ Object 



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# File 'lib/ex_aequo/my_struct.rb', line 28

def slice(*args)
  self.class.new(to_h.slice(*args.flatten))
end