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Contents
module Pry::Config::Memoization
MEMOIZED_METHODS = Hash.new {|h,k| h[k] = [] }
module ClassMethods
#
# Defines one or more methods who return a constant value after being
# called once.
#
# @example
# class Foo
# include Pry::Config::Memoization
# def_memoized({
# foo: proc {1+10},
# bar: proc{"aaa"<<"a"}
# })
# end
#
# @param [{String => Proc}] method_table
#
# @return [void]
#
def def_memoized(method_table)
method_table.each do |method_name, method|
define_method(method_name) do
method_table[method_name] = instance_eval(&method) if method_table[method_name].equal? method
method_table[method_name]
end
end
MEMOIZED_METHODS[self] |= method_table.keys
end
end
def self.included(mod)
mod.extend(ClassMethods)
end
#
# @return [Array<Symbol>]
# Returns the names of methods that have been defined by {ClassMethods#def_memoized}.
#
def memoized_methods
MEMOIZED_METHODS[self.class]
end
end
Version data entries
20 entries across 20 versions & 8 rubygems