annotate 1-Ruby/each.rb @ 59:f86bb0d669be

Add a quick bit of maths code (list counting/summing)
author IBBoard <dev@ibboard.co.uk>
date Wed, 27 Sep 2017 20:19:01 +0100
parents 369e7cdf3ddf
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
1
a8cac0e9b666 Add first example script
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
1 #! /usr/bin/env ruby
a8cac0e9b666 Add first example script
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
2
2
369e7cdf3ddf Add comments to code and document output
IBBoard <dev@ibboard.co.uk>
parents: 1
diff changeset
3 # Declare an array of strings (like many languages,
369e7cdf3ddf Add comments to code and document output
IBBoard <dev@ibboard.co.uk>
parents: 1
diff changeset
4 # single quotes are *not* interpolated)
1
a8cac0e9b666 Add first example script
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
5 properties = [ 'object oriented', 'duck typed', 'productive', 'fun']
a8cac0e9b666 Add first example script
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
6
2
369e7cdf3ddf Add comments to code and document output
IBBoard <dev@ibboard.co.uk>
parents: 1
diff changeset
7 # Call the Each function with a code block.
369e7cdf3ddf Add comments to code and document output
IBBoard <dev@ibboard.co.uk>
parents: 1
diff changeset
8 # Name each parameter "property" and output it
369e7cdf3ddf Add comments to code and document output
IBBoard <dev@ibboard.co.uk>
parents: 1
diff changeset
9 # "puts" is like printf - it will *put* a *s*tring to the screen
369e7cdf3ddf Add comments to code and document output
IBBoard <dev@ibboard.co.uk>
parents: 1
diff changeset
10 properties.each { | property | puts "Ruby is #{property}." }
369e7cdf3ddf Add comments to code and document output
IBBoard <dev@ibboard.co.uk>
parents: 1
diff changeset
11
369e7cdf3ddf Add comments to code and document output
IBBoard <dev@ibboard.co.uk>
parents: 1
diff changeset
12 # Note: irb output after properties.each is content of properties