cds/arraystring/traits/
from_str.rs1use crate::{
2 arraystring::{errors::InsufficientCapacityError, ArrayString},
3 len::LengthType,
4 mem::SpareMemoryPolicy,
5};
6
7impl<L, SM, const C: usize> core::str::FromStr for ArrayString<C, L, SM>
8where
9 L: LengthType,
10 SM: SpareMemoryPolicy<u8>,
11{
12 type Err = InsufficientCapacityError;
13
14 #[inline]
15 fn from_str(s: &str) -> Result<Self, Self::Err> {
16 Self::try_from(s)
17 }
18}
19
20#[cfg(test)]
21mod testing {
22 use crate as cds;
23 use cds::{
24 arraystring::{errors::InsufficientCapacityError, ArrayString},
25 len::U8,
26 };
27 use core::str::FromStr;
28
29 #[test]
30 fn test_from_str() {
31 type AS = ArrayString<4, U8>;
32
33 let s = AS::from_str("cds").unwrap();
34 assert_eq!(s, "cds");
35
36 let s = AS::from_str("").unwrap();
37 assert_eq!(s, "");
38
39 assert!(matches!(AS::from_str("abcdef"), Err(e) if e == InsufficientCapacityError));
40 }
41}