Error code E0608

An attempt to use index on a type which doesn’t implement the std::ops::Index trait was performed.

Erroneous code example:

0u8[2]; // error: cannot index into a value of type `u8`
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To be able to index into a type it needs to implement the std::ops::Index trait. Example:

let v: Vec<u8> = vec![0, 1, 2, 3];

// The `Vec` type implements the `Index` trait so you can do:
println!("{}", v[2]);
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