noodles_vcf/variant/record/
info.rs

1//! Variant record info fields.
2
3pub mod field;
4
5use std::io;
6
7use self::field::Value;
8use crate::Header;
9
10/// Variant record info fields.
11pub trait Info {
12    /// Returns whether there are any fields.
13    fn is_empty(&self) -> bool;
14
15    /// Returns the number of fields.
16    fn len(&self) -> usize;
17
18    /// Returns the value of the given key.
19    fn get<'a, 'h: 'a>(
20        &'a self,
21        header: &'h Header,
22        key: &str,
23    ) -> Option<io::Result<Option<Value<'a>>>>;
24
25    /// Returns an iterator over fields.
26    fn iter<'a, 'h: 'a>(
27        &'a self,
28        header: &'h Header,
29    ) -> Box<dyn Iterator<Item = io::Result<(&'a str, Option<Value<'a>>)>> + 'a>;
30}
31
32impl Info for Box<dyn Info + '_> {
33    fn is_empty(&self) -> bool {
34        (**self).is_empty()
35    }
36
37    fn len(&self) -> usize {
38        (**self).len()
39    }
40
41    fn get<'a, 'h: 'a>(
42        &'a self,
43        header: &'h Header,
44        key: &str,
45    ) -> Option<io::Result<Option<Value<'a>>>> {
46        (**self).get(header, key)
47    }
48
49    fn iter<'a, 'h: 'a>(
50        &'a self,
51        header: &'h Header,
52    ) -> Box<dyn Iterator<Item = io::Result<(&'a str, Option<Value<'a>>)>> + 'a> {
53        (**self).iter(header)
54    }
55}
noodles_vcf/variant/record/info.rs

noodles_vcf/variant/record/
info.rs
