Class: Validation

Inherits:

Object

• Object
• Validation

Extended by:

ADT

Defined in:

lib/data/validation.rb

Class Method Summary

• .fail_with(error) ⇒ Object

Instance Method Summary

• #bind(&b) ⇒ Object
• #map ⇒ Object

Methods included from ADT

cases, operation

Class Method Details

.fail_with(error) ⇒ Object

# File 'lib/data/validation.rb', line 10

def self.fail_with(error)
  failure([error])
end

Instance Method Details

#bind(&b) ⇒ Object

# File 'lib/data/validation.rb', line 18

def bind(&b)
  fold(proc { |_| self }, b)
end

#map ⇒ Object

# File 'lib/data/validation.rb', line 14

def map
  fold(proc { |_| self }, proc { |v| Validation.success(yield v) })
end