Array length: Difference between revisions
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p ["apple", "orange"].length
</syntaxhighlight>
=={{header|Binary Lambda Calculus}}==
BLC has no arrays, so here's a function to compute the length of a given list (as a church numeral) instead, corresponding to https://github.com/tromp/AIT/blob/master/lists/length.lam :
<pre>010001101000000101100000000000011100101010111111110111111101111011010000010</pre>
=={{header|BQN}}==
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{ "apple" "orange" } length
</syntaxhighlight>
=={{header|Fennel}}==
<syntaxhighlight lang="fennel">(length [:apple :orange])</syntaxhighlight>
=={{header|Forth}}==
Line 1,462 ⟶ 1,471:
The code is commented to explain what is going on for those unfamiliar with Forth.
<syntaxhighlight lang="
HERE OVER CHAR+ ALLOT PLACE ;
Line 1,817 ⟶ 1,826:
length(a)
</syntaxhighlight>
=={{header|K}}==
<syntaxhighlight lang="k">#("apple";"orange")</syntaxhighlight>
{{out}}
<pre>2</pre>
=={{header|Klingphix}}==
Line 2,381 ⟶ 2,395:
2
</pre>
Modern way:
<syntaxhighlight lang="pascal">
// Array length. Mikhalkovich Stanislav: May 16, 2024
##
var a := |'apple','orange'|;
a.Length.Print;
</syntaxhighlight>
{{out}}
<pre>
2
</pre>
=={{header|Perl}}==
Line 3,030 ⟶ 3,057:
<pre>
2
2
</pre>
=={{header|Uiua}}==
{{works with|Uiua|0.11.1}}
It would be more accurate to say this is the number of ''rows'' in an array.
<syntaxhighlight lang="uiua">
⧻{"apple" "orange"}
</syntaxhighlight>
{{out}}
<pre>
2
</pre>
Line 3,168 ⟶ 3,206:
=={{header|Wren}}==
<syntaxhighlight lang="
System.print(arr.count)</syntaxhighlight>
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