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# frozen_string_literal: true
class Pry
class Config
# MemoizedValue is a Proc (block) wrapper. It is meant to be used as a
# configuration value. Subsequent `#call` calls return the same memoized
# result.
#
# @example
# num = 19
# value = Pry::Config::MemoizedValue.new { num += 1 }
# value.call # => 20
# value.call # => 20
# value.call # => 20
#
# @api private
# @since ?.?.?
# @see Pry::Config::LazyValue
class MemoizedValue
def initialize(&block)
@block = block
@call = nil
end
def call
@call ||= @block.call
end
end
end
end
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