gazetta_core/model/
meta.rs

1//  Copyright (C) 2015 Steven Allen
2//
3//  This file is part of gazetta.
4//
5//  This program is free software: you can redistribute it and/or modify it under the terms of the
6//  GNU General Public License as published by the Free Software Foundation version 3 of the
7//  License.
8//
9//  This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
10//  without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
11//  the GNU General Public License for more details.
12//
13//  You should have received a copy of the GNU General Public License along with this program.  If
14//  not, see <http://www.gnu.org/licenses/>.
15//
16
17use crate::yaml;
18
19pub trait Meta: Sized {
20    fn from_yaml(yaml: yaml::Hash) -> Result<Self, &'static str>;
21}
22
23impl Meta for yaml::Hash {
24    fn from_yaml(yaml: yaml::Hash) -> Result<Self, &'static str> {
25        Ok(yaml)
26    }
27}
28
29impl Meta for () {
30    fn from_yaml(_: yaml::Hash) -> Result<Self, &'static str> {
31        Ok(())
32    }
33}
gazetta_core/model/meta.rs

gazetta_core/model/
meta.rs
