Class: Reduxco::Reduxer

Inherits:
Object
  • Object
show all
Defined in:
lib/reduxco/reduxer.rb

Overview

The primary public facing Reduxco class.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(*args) ⇒ Reduxer

When given one or more maps of callables, instantiates with the given callable maps.

When the first argument is a Context, it instantiates with a new Context that has the same callable maps.



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# File 'lib/reduxco/reduxer.rb', line 12

def initialize(*args)
  case args.first
  when Context
    @context = args.first.dup
  else
    @context = Context.new(*args)
  end
end

Instance Attribute Details

#context ⇒ Object (readonly)

Returns a reference to the enclosing Context. This is typically not needed, and its use is more often than not related to a client design mistake.



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# File 'lib/reduxco/reduxer.rb', line 24

def context
  @context
end

Instance Method Details

#call(refname = :app, &block) ⇒ Object Also known as: [], reduce

Retrieves the value of the given refname. Both final and intermediate values are cached, so multiple calls have low overhead.



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# File 'lib/reduxco/reduxer.rb', line 28

def call(refname=:app, &block)
  @context.call(refname, &block)
end

#dup ⇒ Object

Acts as a copy constructor, giving a new Reduxer instantiated with the same arguments as this one.



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# File 'lib/reduxco/reduxer.rb', line 36

def dup
  self.class.new(@context)
end