module CapUtil::UnsetVar

Public Class Methods

new(name, msg = nil) click to toggle source
# File lib/cap-util/unset_var.rb, line 6
def self.new(name, msg = nil)
  halt_msg = msg ? ":#{name} var not set (#{msg})." : ":#{name} var not set."
  Proc.new { CapUtil.halt(halt_msg) }
end