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get-hash.html
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<!DOCTYPE html>
<html lang="en">
<head>
<!--__GOLF_REDIRECT__-->
<title>Get hash</title>
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<!--GOLFMENU13-->
<!--GOLFENDMENU13-->
<!--BEGVDOC90-->
<div class='vhub' style='margin-top:10px;margin-right:20px;text-align:right;background-color:white;'><a href='https://golf-lang.com' style='border-bottom:0px'><img src='https://golf-lang.com/golf.png'/></a></div><div class='vhub' style='margin-top:10px;'> Get hash</div><hr/><span style="font-weight:bold;">Purpose</span>: Get usage specifics for a hash.<br/>
<br/>
<div class='code' style='position:relative;padding-right:16px;'>
<pre id='code_475'>
<span class="Statement"> get-hash</span> <hash > \
(<span class="Type"> length</span> <length> ) \
| (<span class="Type"> hash-size</span> <hash size> ) \
| (<span class="Type"> average-reads</span> <reads> )</pre>
<span id=golf_copied_475 style='position:absolute;right:-14px;top:-30px; cursor: pointer;visibility:hidden;background:white;'>Copied!</span>
<textarea id='golft_475' style='position: absolute;left: -500%;'></textarea>
<img src='https://golf-lang.com/golf-copy-small-1.png' id='golfb' onclick='gg_copy(golft_475, code_475, golf_copied_475)' style='position:absolute;right:0;top:0; cursor: pointer;opacity:0.5;'/>
</div><br/>
get-hash provides usage specifics of a <hash> (created by <a href='https://golf-lang.com/new-hash.html'>new-hash</a>). <br/>
<br/>
Use "length" clause to obtain its <length> (i.e. the number of elements stored in it), "hash-size" clause to obtain its <hash size> (i.e. the number of "buckets", or possible hash codes in the underlying hash table). <br/>
<br/>
"average-reads" clause will obtain in <reads> the average number of reads (i.e. how many string comparisons are needed on average to find a key) multiplied by 100 (so if an average number of reads was 1.5, it will be 150).<br/>
<br/>
This information may be useful in determining the performance of a hash, and whether <a href='https://golf-lang.com/resize-hash.html'>resize-hash</a> is indicated.<br/>
<div class="vsub"><a id="Examples"></a>Examples</div>
<div class='code' style='position:relative;padding-right:16px;'>
<pre id='code_476'>
<span class="Statement"> get-hash</span> h<span class="Type"> length</span> l<span class="Type"> hash-size</span> s<span class="Type"> average-reads</span> r</pre>
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</div><br/>
<!--BEFSAL13--><div class="vsub"><a id="See also"></a>See also</div>
<a name='Hash'></a><span style="font-weight:bold;">Hash</span><br/>
<a href='https://golf-lang.com/get-hash.html'>get-hash</a> <br/>
<a href='https://golf-lang.com/new-hash.html'>new-hash</a> <br/>
<a href='https://golf-lang.com/purge-hash.html'>purge-hash</a> <br/>
<a href='https://golf-lang.com/read-hash.html'>read-hash</a> <br/>
<a href='https://golf-lang.com/resize-hash.html'>resize-hash</a> <br/>
<a href='https://golf-lang.com/write-hash.html'>write-hash</a> <br/>
<span style="font-weight:bold;">See all</span> <br/>
<a href='https://golf-lang.com/documentation.html'>documentation</a><br/>
<!--ENDVDOC90-->
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