Queue/Definition: Difference between revisions
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=={{header|Phix}}==
<!--<lang Phix>
<span style="color: #008080;">with</span> <span style="color: #008080;">javascript_semantics</span>
<span style="color: #004080;">sequence</span> <span style="color: #000000;">queue</span> <span style="color: #0000FF;">=</span> <span style="color: #0000FF;">{}</span>
<span style="color: #008080;">procedure</span> <span style="color: #000000;">push_item</span><span style="color: #0000FF;">(</span><span style="color: #004080;">object</span> <span style="color: #000000;">what</span><span style="color: #0000FF;">)</span>
<span style="color: #000000;">queue</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">append</span><span style="color: #0000FF;">(</span><span style="color: #000000;">queue</span><span style="color: #0000FF;">,</span><span style="color: #000000;">what</span><span style="color: #0000FF;">)</span>
<span style="color: #008080;">end</span> <span style="color: #008080;">procedure</span>
<span style="color: #008080;">function</span> <span style="color: #000000;">pop_item</span><span style="color: #0000FF;">()</span>
<span style="color: #004080;">object</span> <span style="color: #000000;">what</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">queue</span><span style="color: #0000FF;">[</span><span style="color: #000000;">1</span><span style="color: #0000FF;">]</span>
<span style="color: #000000;">queue</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">queue</span><span style="color: #0000FF;">[</span><span style="color: #000000;">2</span><span style="color: #0000FF;">..$]</span>
<span style="color: #008080;">return</span> <span style="color: #000000;">what</span>
<span style="color: #008080;">end</span> <span style="color: #008080;">function</span>
<span style="color: #008080;">function</span> <span style="color: #000000;">empty</span><span style="color: #0000FF;">()</span>
<span style="color: #008080;">return</span> <span style="color: #7060A8;">length</span><span style="color: #0000FF;">(</span><span style="color: #000000;">queue</span><span style="color: #0000FF;">)=</span><span style="color: #000000;">0</span>
<span style="color: #008080;">end</span> <span style="color: #008080;">function</span>
<!--</lang>-->
As of 1.0.2 there are standard builtins for the above, named new_queue(), push(), and queue_empty() respectively, see docs.
=={{header|Phixmonti}}==
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