How do I call a method that is a hash value?

Question

Previously, I asked about a clever way to execute a method on a given condition \"Ruby a clever way to execute a function on a condition.\"

The solutions and respons

Answer 1

I am pretty new to using callbacks in Ruby and this is how I explained it to myself using an example:

require 'logger'
log = Logger.new('/var/tmp/log.out')

def callit(severity, msg, myproc)
  myproc.call(sev, msg)
end

lookup_severity = {}
lookup_severity['info'] = Proc.new { |x| log.info(x) }
lookup_severity['debug'] = Proc.new { |x| log.debug(x) }

logit = Proc.new { |x,y| lookup_sev[x].call(y) }

callit('info', "check4", logit)
callit('debug', "check5", logit)