class Module

Public Instance Methods

lru_cache(meth, n) click to toggle source
# File lib/ethereum/core_ext/module/lru_cache.rb, line 6
def lru_cache(meth, n)
  @_lru_caches ||= {}
  @_lru_caches[meth] ||= LruRedux::Cache.new n
  cache = @_lru_caches[meth]

  origin_meth = "#{meth}_without_cache"
  self.send :alias_method, origin_meth, meth

  self.send(:define_method, meth) do |*args|
    cache[args] ||= send(origin_meth, *args)
  end
end