Fix signing params debug impl (#2563)

    unreachable_pub

)]

use std::fmt;

use std::time::SystemTime;

pub mod sign;

/// Parameters to use when signing.

#[non_exhaustive]

#[derive(Debug)]

pub struct SigningParams<'a, S> {

    /// Access Key ID to use.

    pub(crate) access_key: &'a str,

    pub(crate) settings: S,

}

impl<'a, S: fmt::Debug> fmt::Debug for SigningParams<'a, S> {

    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {

        f.debug_struct("SigningParams")

            .field("access_key", &"** redacted **")

            .field("secret_key", &"** redacted **")

            .field("security_token", &"** redacted **")

            .field("region", &self.region)

            .field("service_name", &self.service_name)

            .field("time", &self.time)

            .field("settings", &self.settings)

            .finish()

    }

}

impl<'a, S: Default> SigningParams<'a, S> {

    /// Returns a builder that can create new `SigningParams`.

    pub fn builder() -> signing_params::Builder<'a, S> {