Class: Devtools::Config::TypeCheck

Inherits:
Object
  • Object
show all
Defined in:
lib/devtools/config.rb

Overview

Simple named type check representation

Constant Summary collapse

ERROR_FORMAT = 
'%<name>s: Got instance of %<got>s expected %<allowed>s'.freeze
CLASS_DELIM = 
','.freeze

Instance Method Summary collapse

Instance Method Details

#call(value) ⇒ Object

Check value for instance of expected class

Parameters:

  • value (Object)

Returns:

  • (Object) 


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# File 'lib/devtools/config.rb', line 23

def call(value)
  klass = value.class

  unless allowed_classes.any?(&klass.method(:equal?))
    fail TypeError, ERROR_FORMAT % {
      name:    name,
      got:     klass,
      allowed: allowed_classes.join(CLASS_DELIM)
    }
  end

  value
end