Module: Rend::Core::Helpers::Php

Defined in:
lib/rend/core/helpers/php.rb

Instance Method Summary collapse

Instance Method Details

#type_hint!(klass, obj, options = {}) ⇒ Object

Replicate PHP Type Hinting

function juice(Fruit $orange, PulpType $pulp = nil)

> Can not we written as…

def juice(orange, pulp)

type_hint! Fruit,     orange, :is_required => true
type_hint! PulpType,  pulp

end



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# File 'lib/rend/core/helpers/php.rb', line 16

def type_hint!(klass, obj, options = {})
  is_required = options.fetch(:is_required, false)
  return nil if !is_required && obj.nil?
  # Should throw exception up the chain from the class it's mixed into.
  exception = self.class.const_defined?("Exception") ? self.class.const_get("Exception") : Rend::Core::Exception
  unless obj.class <= klass
    raise exception, "PHP TypeHint: #{obj.class.name} is not an instance of #{klass.name}"
  end
end