Core Function Hash
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(Difference between revisions)
(Created page with "<pre> Hash( <expression> ) </pre> === Description === Generate a unique hash code for a string value === Parameters === ==== expression ==== The expression to compute the ha...") |
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$lol = "o"; | $lol = "o"; | ||
println("Hash B: " . Hash("He" . "ll" . $lol) ); | println("Hash B: " . Hash("He" . "ll" . $lol) ); | ||
| + | </syntaxhighlight> | ||
| + | |||
| + | An interesting way to produce a unique Hash | ||
| + | |||
| + | <syntaxhighlight lang="sputnik"> | ||
| + | $UniqueID = Hash(@GUID); | ||
| + | say $UniqueID; | ||
</syntaxhighlight> | </syntaxhighlight> | ||
[[Category:Core Function]] | [[Category:Core Function]] | ||
Revision as of 05:49, 14 September 2013
Hash( <expression> )
Contents |
Description
Generate a unique hash code for a string value
Parameters
expression
The expression to compute the hash of (this will use the string value of a given variable).
Return Value
Success: Returns a number above or below zero.
Failure: Returns 0.
Remarks
This function computes a Int64 hash to provide a bit more uniqueness than a regular Int32 hash.
Example
As you see here both strings produce the same hash yet they were constructed differently.
println("Hash A: " . Hash("Hello") ); $lol = "o"; println("Hash B: " . Hash("He" . "ll" . $lol) );
An interesting way to produce a unique Hash
$UniqueID = Hash(@GUID); say $UniqueID;
