Class: Plumb::ArrayClass

Inherits:
Object
  • Object
show all
Includes:
Steppable
Defined in:
lib/plumb/array_class.rb

Direct Known Subclasses

ConcurrentArrayClass

Defined Under Namespace

Classes: ConcurrentArrayClass

Instance Attribute Summary collapse

Attributes included from Steppable

#name

Instance Method Summary collapse

Methods included from Steppable

#===, #>>, #as_node, #build, #check, #defer, #freeze, included, #inspect, #invalid, #invoke, #match, #meta, #node_name, #not, #pipeline, #policy, #to_s, #transform, #value, wrap, #|

Methods included from Callable

#metadata, #parse, #resolve

Constructor Details

#initialize(element_type: Types::Any) ⇒ ArrayClass

Returns a new instance of ArrayClass.



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# File 'lib/plumb/array_class.rb', line 14

def initialize(element_type: Types::Any)
  @element_type = Steppable.wrap(element_type)

  freeze
end

Instance Attribute Details

#element_type ⇒ Object (readonly)

Returns the value of attribute element_type.



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# File 'lib/plumb/array_class.rb', line 12

def element_type
  @element_type
end

Instance Method Details

#call(result) ⇒ Object 



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# File 'lib/plumb/array_class.rb', line 44

def call(result)
  return result.invalid(errors: 'is not an Array') unless ::Array === result.value

  values, errors = map_array_elements(result.value)
  return result.valid(values) unless errors.any?

  result.invalid(errors:)
end

#concurrent ⇒ Object 



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# File 'lib/plumb/array_class.rb', line 26

def concurrent
  ConcurrentArrayClass.new(element_type:)
end

#filtered ⇒ Object 



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# File 'lib/plumb/array_class.rb', line 34

def filtered
  MatchClass.new(::Array) >> Step.new(nil, "Array[#{element_type}].filtered") do |result|
    arr = result.value.each.with_object([]) do |e, memo|
      r = element_type.resolve(e)
      memo << r.value if r.valid?
    end
    result.valid(arr)
  end
end

#of(element_type) ⇒ Object Also known as: [] 



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# File 'lib/plumb/array_class.rb', line 20

def of(element_type)
  self.class.new(element_type:)
end

#stream ⇒ Object 



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# File 'lib/plumb/array_class.rb', line 30

def stream
  StreamClass.new(element_type:)
end