confers 0.4.1

Production-ready Rust configuration library with zero boilerplate
Documentation 
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use std::fmt::Debug;

pub struct SecretBytes(Vec<u8>);

impl SecretBytes {
    pub fn new(bytes: Vec<u8>) -> Self {
        Self(bytes)
    }

    pub fn len(&self) -> usize {
        self.0.len()
    }

    pub fn is_empty(&self) -> bool {
        self.0.is_empty()
    }

    pub fn as_slice(&self) -> &[u8] {
        &self.0
    }
}

impl Debug for SecretBytes {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        write!(f, "[REDACTED]")
    }
}

impl Drop for SecretBytes {
    fn drop(&mut self) {
        for byte in &mut self.0 {
            *byte = 0;
        }
    }
}

// SecretBytes does not implement Clone to prevent bypassing memory protection.
// The Drop trait ensures sensitive data is zeroized on drop.
// If you need to clone, consider using ZeroizingBytes or explicit copying.