MailboxNameOptionalArg (arg.rs)

Parses optional IMAP mailbox CLI arg, defaulting to "INBOX" when omitted.

// Source: https://github.com/pimalaya/himalaya | License: Apache-2.0 | Copyright 2022-2026 soywod <pimalaya.org@posteo.net>
// Provided via justclaw.it.com; keep this notice with the code.
use clap::Parser;

const INBOX: &str = "INBOX";

/// The optional mailbox name argument parser.
#[derive(Debug, Parser)]
pub struct MailboxNameOptionalArg {
    /// The name of the mailbox.
    #[arg(name = "mailbox_name", value_name = "MAILBOX", default_value = INBOX)]
    pub inner: String,
}

impl Default for MailboxNameOptionalArg {
    fn default() -> Self {
        Self {
            inner: INBOX.into(),
        }
    }
}

/// The optional mailbox name flag parser.
#[derive(Debug, Parser)]
pub struct MailboxNameOptionalFlag {
    /// The name of the mailbox.
    #[arg(long = "mailbox", short = 'm'

... (truncated -- full source via MCP)