Investigate possible truncation

[recmo]

On 2020-04-29 @pvienhage wrote in 7850bac “Smart contrat Recurance proof system impl (#677)”:

Investigate possible truncation

    about = "Example zkp-stark project verifying Pedersen Merkle trees."
)]
struct Options {
    // The number of occurrences of the `v/verbose` flag
    /// Verbose mode (-v, -vv, -vvv, etc.)
    // TODO - Investigate possible truncation
    #[allow(clippy::cast_possible_truncation)]
    #[structopt(short, long, parse(from_occurrences))]
    verbose: u8,

    /// Run a specific 8192 depth example

From crypto/stark/examples/pedersen_merkle/main.rs:73