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A node to recognize null or valid value?

Hi, guys

I`m just wondering if there is a node in vvvv which could recognize null and valid value?
Output 1 when the input is valid, and output 0 when input is null.

Cheers,

Ralph

hei ralph,

it is called NIL and you should find your answer here: spread definitions#nil

ie. either use AvoidNIL (Spreads) or compare against NIL (Spreads).

specifically, use avoid nil and set default value to something exotic like -5000 and then use = to look for that value