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In 0.7.6 I want to check if a bytes array is equal to "" or not, but the compiler doesn't like

bytes fingerprint = "";

if(fingerprint!=""){
// do something 
}

How do I check for this?

1 Answer 1

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bytes is a dynamic array of byte, maybe you wanted to uses bytes32 instead ?

What is the difference between bytes and bytes32?

or just check the array length of that array.

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