String
A CSS function, like rgb() or url()
it calls functions from the Functions module
Call the function
If the function isn’t found, we just print it out, this is the case for url(), for example,
# File lib/less/engine/nodes/function.rb, line 79 def evaluate context = nil if Functions.available.include? self.to_sym send to_sym, *@args else args = @args.map { |e| e.parent = self.parent e = e.evaluate(context) if e.respond_to?(:evaluate) e.to_css } * ', ' Node::Anonymous.new("#{to_sym}(#{args})") end end
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