Module: Obfusk::MonadPlus::ClassMethods

Defined in:

lib/obfusk/monad.rb

Instance Method Summary

• #lazy_plus(m, k) ⇒ Object
• #plus(m, k = nil, &b) ⇒ Object

  associative operation.

• #zero ⇒ Object

  identity.

Instance Method Details

#lazy_plus(m, k) ⇒ Object

Raises:

• (NotImplementedError)

# File 'lib/obfusk/monad.rb', line 121

def lazy_plus(m, k)
  raise NotImplementedError
end

#plus(m, k = nil, &b) ⇒ Object

associative operation

# File 'lib/obfusk/monad.rb', line 117

def plus(m, k = nil, &b)
  lazy_plus m, ::Obfusk.lazy(k, &b)
end

#zero ⇒ Object

identity

Raises:

• (NotImplementedError)

# File 'lib/obfusk/monad.rb', line 112

def zero
  raise NotImplementedError
end