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author | Matthias Beyer <mail@beyermatthias.de> | 2019-02-17 11:49:27 +0100 |
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committer | Matthias Beyer <mail@beyermatthias.de> | 2019-02-20 16:22:52 +0100 |
commit | f84cc8169fffee3904cd44c14baec0bac7a05478 (patch) | |
tree | 92a60c35a47e0bb175299d07a42cf90946e6f105 /lib/domain/libimagmail/src/iter.rs | |
parent | 27c0a30494b7b827b48e62bfc90ec96da35e8e00 (diff) |
Revert "Remove libimagmail"
This reverts commit 74045e18007152d2fff63e83170e3406efcc73ac.
Signed-off-by: Matthias Beyer <mail@beyermatthias.de>
Diffstat (limited to 'lib/domain/libimagmail/src/iter.rs')
-rw-r--r-- | lib/domain/libimagmail/src/iter.rs | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/lib/domain/libimagmail/src/iter.rs b/lib/domain/libimagmail/src/iter.rs new file mode 100644 index 00000000..e4d375cd --- /dev/null +++ b/lib/domain/libimagmail/src/iter.rs @@ -0,0 +1,55 @@ +// +// imag - the personal information management suite for the commandline +// Copyright (C) 2015-2019 Matthias Beyer <mail@beyermatthias.de> and contributors +// +// This library is free software; you can redistribute it and/or +// modify it under the terms of the GNU Lesser General Public +// License as published by the Free Software Foundation; version +// 2.1 of the License. +// +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +// Lesser General Public License for more details. +// +// You should have received a copy of the GNU Lesser General Public +// License along with this library; if not, write to the Free Software +// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA +// + +//! Module for the MailIter +//! +//! MailIter is a iterator which takes an Iterator that yields `Ref` and yields itself +//! `Result<Mail>`, where `Err(_)` is returned if the Ref is not a Mail or parsing of the +//! referenced mail file failed. +//! + +use mail::Mail; +use failure::Fallible as Result; + +use libimagstore::store::FileLockEntry; + +use std::marker::PhantomData; + +pub struct MailIter<'a, I: Iterator<Item = FileLockEntry<'a>>> { + _marker: PhantomData<I>, + i: I, +} + +impl<'a, I: Iterator<Item = FileLockEntry<'a>>> MailIter<'a, I> { + + pub fn new(i: I) -> MailIter<'a, I> { + MailIter { _marker: PhantomData, i: i } + } + +} + +impl<'a, I: Iterator<Item = FileLockEntry<'a>>> Iterator for MailIter<'a, I> { + type Item = Result<Mail<'a>>; + + fn next(&mut self) -> Option<Self::Item> { + self.i.next().map(Mail::from_fle) + } + +} + |