Class: Ree::Contracts::ArgContracts::SubclassOf

Inherits:
Object
  • Object
show all
Extended by:
Squarable
Includes:
Truncatable
Defined in:
lib/ree/contracts/arg_contracts/subclass_of.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Squarable

[]

Methods included from Truncatable

#truncate

Constructor Details

#initialize(klass) ⇒ SubclassOf

Returns a new instance of SubclassOf.



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# File 'lib/ree/contracts/arg_contracts/subclass_of.rb', line 11

def initialize(klass)
  @klass = klass
end

Instance Attribute Details

#klass ⇒ Object (readonly)

Returns the value of attribute klass.



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# File 'lib/ree/contracts/arg_contracts/subclass_of.rb', line 9

def klass
  @klass
end

Instance Method Details

#message(value, name, lvl = 1) ⇒ Object 



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# File 'lib/ree/contracts/arg_contracts/subclass_of.rb', line 23

def message(value, name, lvl = 1)
  "expected #{truncate(self.to_s, 30)}, got #{truncate(value.inspect)}"
end

#to_s ⇒ Object 



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# File 'lib/ree/contracts/arg_contracts/subclass_of.rb', line 19

def to_s
  "SubclassOf[#{klass.inspect}]"
end

#valid?(value) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/ree/contracts/arg_contracts/subclass_of.rb', line 15

def valid?(value)
  value.is_a?(Class) && value < klass
end