class Lab42::Function::Placeholder
Attributes
arg_number[R]
Public Class Methods
make(n)
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# File lib/lab42/function/placeholder.rb, line 6 def make n return cache.fetch(n){ cache[n] = new(n) } end
new(n)
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# File lib/lab42/function/placeholder.rb, line 29 def initialize n raise ArgumentError, "only positive argument numbers are allowed, not #{n}" unless n.positive? @arg_number = n end
Private Class Methods
cache()
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Lazy Values
# File lib/lab42/function/placeholder.rb, line 19 def cache @__cache__ ||= {} end
new(n)
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Calls superclass method
# File lib/lab42/function/placeholder.rb, line 13 def new n super end