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annotate 1-Ruby/hashes-irb.output @ 26:d50ff917c163

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Change function calls so methods get patched in anyway
author IBBoard <dev@ibboard.co.uk>
date Fri, 20 Jan 2017 21:03:13 +0000
parents ebb19742b98f
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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15
ebb19742b98f Add some minor experiments with hashes (hash tables)
IBBoard <dev@ibboard.co.uk>
parents:
diff changeset
1 hashes.rb(main):001:0> #! /usr/bin/env ruby
ebb19742b98f Add some minor experiments with hashes (hash tables)
IBBoard <dev@ibboard.co.uk>
parents:
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2 hashes.rb(main):002:0*
ebb19742b98f Add some minor experiments with hashes (hash tables)
IBBoard <dev@ibboard.co.uk>
parents:
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3 hashes.rb(main):003:0* # Ruby has inline hashmap definitions, like PHP.
ebb19742b98f Add some minor experiments with hashes (hash tables)
IBBoard <dev@ibboard.co.uk>
parents:
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4 hashes.rb(main):004:0* # Java doesn't. C# isn't quite as clear as this "key => value" pattern.
ebb19742b98f Add some minor experiments with hashes (hash tables)
IBBoard <dev@ibboard.co.uk>
parents:
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5 hashes.rb(main):005:0* frenchify = { 'one' => 'un', 'two' => 'deux' }
ebb19742b98f Add some minor experiments with hashes (hash tables)
IBBoard <dev@ibboard.co.uk>
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6 => {"one"=>"un", "two"=>"deux"}
ebb19742b98f Add some minor experiments with hashes (hash tables)
IBBoard <dev@ibboard.co.uk>
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7 hashes.rb(main):006:0> puts frenchify['one']
ebb19742b98f Add some minor experiments with hashes (hash tables)
IBBoard <dev@ibboard.co.uk>
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8 un
ebb19742b98f Add some minor experiments with hashes (hash tables)
IBBoard <dev@ibboard.co.uk>
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9 => nil
ebb19742b98f Add some minor experiments with hashes (hash tables)
IBBoard <dev@ibboard.co.uk>
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10 hashes.rb(main):007:0>
ebb19742b98f Add some minor experiments with hashes (hash tables)
IBBoard <dev@ibboard.co.uk>
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11 hashes.rb(main):008:0* # Or, done properly with symbols:
ebb19742b98f Add some minor experiments with hashes (hash tables)
IBBoard <dev@ibboard.co.uk>
parents:
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12 hashes.rb(main):009:0* frenchify = { :one => 'un', :two => 'deux' }
ebb19742b98f Add some minor experiments with hashes (hash tables)
IBBoard <dev@ibboard.co.uk>
parents:
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13 => {:one=>"un", :two=>"deux"}
ebb19742b98f Add some minor experiments with hashes (hash tables)
IBBoard <dev@ibboard.co.uk>
parents:
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14 hashes.rb(main):010:0> puts frenchify[:one]
ebb19742b98f Add some minor experiments with hashes (hash tables)
IBBoard <dev@ibboard.co.uk>
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15 un
ebb19742b98f Add some minor experiments with hashes (hash tables)
IBBoard <dev@ibboard.co.uk>
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16 => nil
ebb19742b98f Add some minor experiments with hashes (hash tables)
IBBoard <dev@ibboard.co.uk>
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17 hashes.rb(main):011:0> # But what is a symbol? Its own class, apparently!
ebb19742b98f Add some minor experiments with hashes (hash tables)
IBBoard <dev@ibboard.co.uk>
parents:
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18 hashes.rb(main):012:0* puts :one.classhashes.rb(main):012:0*
ebb19742b98f Add some minor experiments with hashes (hash tables)
IBBoard <dev@ibboard.co.uk>
parents:
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19 hashes.rb(main):012:0>
ebb19742b98f Add some minor experiments with hashes (hash tables)
IBBoard <dev@ibboard.co.uk>
parents:
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20 Symbol
ebb19742b98f Add some minor experiments with hashes (hash tables)
IBBoard <dev@ibboard.co.uk>
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21 => nil