NULL KEY

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/LSL

NULL_KEY

Description

Constant: string NULL_KEY = "00000000-0000-0000-0000-000000000000";

The string constant NULL_KEY has the value "00000000-0000-0000-0000-000000000000"

While technically a string constant, it is only useful as a key.

Despite fitting the syntax criteria to be a valid key, when fed to a Conditional as a key it executes as false.

In most applications NULL_KEY isn't needed; an empty string will suffice.

Like any string constants longer then 4 characters and used in multiple places in the code, they should be store in a global variable. The result will be a considerable memory savings.

Caveats

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Related Articles

Functions

•	llAvatarOnSitTarget
•	llDetectedKey
•	llGetNotecardLine
•	llGetLandOwnerAt
•	llGetPermissionsKey
•	llGetTexture
•	llListen

Events

•

attach

Examples

integer isKey(key in) {
    if(in) return 2;
    return (in == NULL_KEY);
}//returns 2 if it's a valid key, 1 if it's NULL_KEY

Notes

test

Deep Notes

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Signature
string NULL_KEY = "00000000-0000-0000-0000-000000000000";