module CachedRunOnce

Constants

VERSION

Public Instance Methods

cached_run_once() { || ... } click to toggle source

# File lib/cached_run_once.rb, line 4
def cached_run_once
        @_cached_run_once_methods ||= {}
        label = caller_locations(1, 1)[0].label
        unless @_cached_run_once_methods.has_key? label
                result = yield
                @_cached_run_once_methods[label] = result
        end
        @_cached_run_once_methods[label]
end