class Dry::Types::Sum

Sum type

@api public

Public Class Methods

operator() click to toggle source
# File lib/dry/types/sum.rb, line 11
def self.operator
  :|
end

Public Instance Methods

call_safe(input, &block) click to toggle source

@param [Object] input

@return [Object]

@api private

# File lib/dry/types/sum.rb, line 36
def call_safe(input, &block)
  left.call_safe(input) { right.call_safe(input, &block) }
end
call_unsafe(input) click to toggle source

@param [Object] input

@return [Object]

@api private

# File lib/dry/types/sum.rb, line 27
def call_unsafe(input)
  left.call_safe(input) { right.call_unsafe(input) }
end
constrained(options) click to toggle source

@param [Hash] options

@return [Constrained,Sum]

@see Builder#constrained

@api public

Calls superclass method
# File lib/dry/types/sum.rb, line 87
def constrained(options)
  if optional?
    right.constrained(options).optional
  else
    super
  end
end
meta(data = Undefined) click to toggle source

Manage metadata to the type. If the type is an optional, meta delegates to the right branch

@see [Meta#meta]

@api public

Calls superclass method
# File lib/dry/types/sum.rb, line 70
def meta(data = Undefined)
  if Undefined.equal?(data)
    optional? ? right.meta : super
  elsif optional?
    self.class.new(left, right.meta(data), **options)
  else
    super
  end
end
optional?() click to toggle source

@return [Boolean]

@api public

# File lib/dry/types/sum.rb, line 18
def optional?
  primitive?(nil)
end
primitive?(value) click to toggle source

@param [Object] value

@return [Boolean]

@api private

# File lib/dry/types/sum.rb, line 60
def primitive?(value)
  left.primitive?(value) || right.primitive?(value)
end
try(input) { |failure| ... } click to toggle source

@param [Object] input

@api public

# File lib/dry/types/sum.rb, line 43
def try(input)
  left.try(input) do
    right.try(input) do |failure|
      if block_given?
        yield(failure)
      else
        failure
      end
    end
  end
end