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modify_credential

rab::auth

Function modify_credential 

Source 
pub fn modify_credential(
    provider: &str,
    f: impl FnOnce(Option<AuthCredential>) -> Option<AuthCredential>,
) -> Result<()>
Expand description

Atomically modify a single provider’s credential (pi-compatible CredentialStore.modify()). f receives the current credential (None if missing), returns the new credential, or None to delete the entry.