Class: Object

Inherits:
BasicObject
Includes:
InstanceExecHelper
Defined in:
lib/gems/validatable-1.6.7/lib/object_extension.rb,
lib/gems/tmail-1.2.3.1/lib/tmail/core_extensions.rb

Overview

:nodoc:

Defined Under Namespace

Modules: InstanceExecHelper

Instance Method Summary collapse

Instance Method Details

#blank? ⇒ Boolean

An object is blank if it’s nil, empty, or a whitespace string. For example, “”, “ ”, nil, [], and {} are blank.

This simplifies

if !address.nil? && !address.empty?

to

if !address.blank?

Returns:

  • (Boolean) 


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# File 'lib/gems/tmail-1.2.3.1/lib/tmail/core_extensions.rb', line 14

def blank?
  if respond_to?(:empty?) && respond_to?(:strip)
    empty? or strip.empty?
  elsif respond_to?(:empty?)
    empty?
  else
    !self
  end
end

#instance_eval_with_params(*args, &block) ⇒ Object 



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# File 'lib/gems/validatable-1.6.7/lib/object_extension.rb', line 5

def instance_eval_with_params(*args, &block)
  begin
    old_critical, Thread.critical = Thread.critical, true
    n = 0
    n += 1 while respond_to?(mname="__instance_exec#{n}")
    InstanceExecHelper.module_eval{ define_method(mname, &block) }
  ensure
    Thread.critical = old_critical
  end
  begin
    ret = send(mname, *args)
  ensure
    InstanceExecHelper.module_eval{ remove_method(mname) } rescue nil
  end
  ret
end