Comparison of programming languages (associative array): Difference between revisions

Revision as of 15:34, 14 November 2008

Revision as of 15:35, 14 November 2008

Line 829:

<source lang="ruby">

### iterate over keys and values

phonebook.each {|key, value| puts key + " => " + value}

</source>

### iterate keys only

Additionally, each key may be shown individually:

<source lang="ruby">

phonebook.each_key {|key| puts key}

</source>

Each value may, of course, also be shown:

### iterate values only

<source lang="ruby">

phonebook.each_value {|value| puts value}

</source>