Class: Object

Inherits:

BasicObject

Defined in:

lib/fqdn_facts/core_ext.rb

Overview

See Also:

• Object

Instance Method Summary

• #empty? ⇒ false

  provides an empty? check for all objects unless an object already has an empty? check.

• #present? ⇒ Boolean

  returns true if the object “contains” data (object dependant).

• #try(method, *args, &block) ⇒ Object

  attempts to call a public method.

Instance Method Details

#empty? ⇒ false

provides an empty? check for all objects unless an object already has an empty? check

Returns:

• (false)

# File 'lib/fqdn_facts/core_ext.rb', line 25

def empty?
  false
end

#present? ⇒ Boolean

returns true if the object “contains” data (object dependant)

Returns:

• (Boolean)

# File 'lib/fqdn_facts/core_ext.rb', line 32

def present?
  !empty?
end

#try(method, *args, &block) ⇒ Object

attempts to call a public method

Parameters:

• method (Symbol) —

  the method to attempt to call

• args (Array) —

  optional arguments to pass to the method

• block (Block) —

  optional block to pass to the method

Returns:

• the result of the method call, if the method exists, or nil if it doesn’t

# File 'lib/fqdn_facts/core_ext.rb', line 43

def try(method, *args, &block)
  public_send(method, *args, &block)
rescue NoMethodError
  nil
end