pub struct CardsKept(bool);Expand description
While it lives, each message file this thread reads is parsed once
(read_one): one look at the mail (the Porch, then the money lines it
holds, each going through every message kept) parses each message once,
not once each. Nothing is kept once it ends: a card holds a few kilobytes,
and every message kept would stay in memory between looks. One begun
inside another changes nothing.
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impl Freeze for CardsKept
impl RefUnwindSafe for CardsKept
impl Send for CardsKept
impl Sync for CardsKept
impl Unpin for CardsKept
impl UnsafeUnpin for CardsKept
impl UnwindSafe for CardsKept
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