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}}==
Line 1,455 ⟶ 1,461:
{ "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="textforth">: STRING, ( caddr len -- ) \ Allocate space & compile string into memory
HERE OVER CHAR+ ALLOT PLACE ;
 
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