Module: Preconditions::PreconditionModuleClassMethods

Included in:
Preconditions
Defined in:
lib/preconditions.rb

Instance Method Summary collapse

Instance Method Details

#check(argument, name = nil, &block) ⇒ Object

Introduce a DSL expression to check the given argument, with the optionally given name. This will return a

ConditionChecker

instance that can be used to build the DSL expression.



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# File 'lib/preconditions.rb', line 96

def check(argument, name = nil, &block)
  cc = ConditionChecker.new(argument, name)
  if block_given?
    cc.instance_eval(&block)
    argument # return the argument if a block is given to evaluate the check immediately
  else
    cc # return the checker if no evaluation block is supplied
  end
end