From: Phil Lou <lists@...>
Date: 2013-05-10T15:10:08+09:00
Subject: Hash name is not recognized by Ruby unless first letter is capitalized

Hi, all:

My little test code below will not recognize the hash variable
if its first letter is not capitalized. If the first letter is
capitalized,
then everything is OK. I'll appreciate any explanation for this
behavior.

===========================
# failure if declared as "mc". Must capitalize "M", lowercase "m"
# such as "mc" will result in compilation errors.
Mc = { "a" => "aay",   "b" => "bee",  "c" => "cee" }

def pronounce (aStr)
  array_of_chars = aStr.split("");
  array_of_chars.map { |eachChar| Mc[eachChar] };
end

puts "#{pronounce("abc")}";
============================

Thanks,

PL

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