Class: Kumi::Core::NAST::Fold

Inherits:
Node
  • Object
show all
Defined in:
lib/kumi/core/nast.rb

Overview

Semantic reduction over explicit axes, with kernel id (e.g., :“agg.sum”)

Instance Attribute Summary collapse

Attributes inherited from Node

#id, #loc, #meta

Instance Method Summary collapse

Methods inherited from Node

#each_child

Constructor Details

#initialize(fn:, arg:, **k) ⇒ Fold

Returns a new instance of Fold.



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# File 'lib/kumi/core/nast.rb', line 196

def initialize(fn:, arg:, **k)
  super(**k)
  @fn = fn.to_sym
  @arg = arg
end

Instance Attribute Details

#arg ⇒ Object (readonly)

Returns the value of attribute arg.



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# File 'lib/kumi/core/nast.rb', line 194

def arg
  @arg
end

#fn ⇒ Object (readonly)

Returns the value of attribute fn.



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# File 'lib/kumi/core/nast.rb', line 194

def fn
  @fn
end

Instance Method Details

#accept(visitor) ⇒ Object 



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# File 'lib/kumi/core/nast.rb', line 202

def accept(visitor)
  visitor.respond_to?(:visit_fold) ? visitor.visit_fold(self) : super
end

#children ⇒ Object 



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# File 'lib/kumi/core/nast.rb', line 206

def children = [arg]