rust_3d/
is_view_buildable.rs

1/*
2Copyright 2017 Martin Buck
3
4Permission is hereby granted, free of charge, to any person obtaining a copy
5of this software and associated documentation files (the "Software"),
6to deal in the Software without restriction, including without limitation the
7rights to use, copy, modify, merge, publish, distribute, sublicense,
8and/or sell copies of the Software, and to permit persons to whom the Software
9is furnished to do so, subject to the following conditions:
10
11The above copyright notice and this permission notice shall
12be included all copies or substantial portions of the Software.
13
14THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
15EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
16MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
17IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
18DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
19TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE
20OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
21*/
22
23//! IsViewBuildable trait used for types which can be constructed from a view / have a view applied to them
24
25use crate::*;
26
27//------------------------------------------------------------------------------
28
29/// IsViewBuildable trait used for types which can be constructed from a view / have a view applied to them
30pub trait IsViewBuildable: Sized {
31    /// Should apply the view and only keep items indexed within the view. Should return an error if any index is out of bounds
32    fn apply_view(&mut self, view: &View) -> Result<()>;
33    /// Should create a new object consisting only of items indexed within the view. Should return an error if any index is out of bounds
34    fn from_view(&self, view: &View) -> Result<Self>;
35}