ferritin_core/views/
model_chain.rs

1use super::model_residue::ModelResidueView;
2use crate::model::Model;
3
4/// Read-only view into a single chain from a [`Model`].
5pub struct ModelChainView<'a> {
6    pub(crate) model: &'a Model,
7    pub(crate) chain_idx: usize,
8}
9
10impl<'a> ModelChainView<'a> {
11    pub(crate) fn new(model: &'a Model, chain_idx: usize) -> Self {
12        ModelChainView { model, chain_idx }
13    }
14
15    pub fn chain_id(&self) -> &'a str {
16        &self.model.hierarchy.chains.auth_asym_id[self.chain_idx]
17    }
18
19    pub fn iter_residues(&self) -> impl Iterator<Item = ModelResidueView<'a>> + '_ {
20        let range = self.model.hierarchy.residues_in_chain(self.chain_idx);
21        let model = self.model;
22        range.map(move |res_idx| ModelResidueView::new(model, res_idx))
23    }
24
25    pub fn residue_count(&self) -> usize {
26        let range = self.model.hierarchy.residues_in_chain(self.chain_idx);
27        range.end - range.start
28    }
29}
ferritin_core/views/model_chain.rs

ferritin_core/views/
model_chain.rs
