dsmr_parse/
unit_value.rs

1use core::str;
2use std::ops::Deref;
3use std::str::FromStr;
4
5/// A single value with an optional unit attached to it
6#[derive(Debug, Default, PartialEq, PartialOrd, Clone)]
7pub struct UnitValue<T> {
8	pub value: T,
9	pub unit: Option<String>,
10}
11
12impl<T> UnitValue<T> {
13	pub fn without_unit(value: T) -> Self {
14		Self { value, unit: None }
15	}
16
17	pub fn with_unit(value: T, unit: impl Into<String>) -> Self {
18		Self {
19			value,
20			unit: Some(unit.into()),
21		}
22	}
23}
24
25impl<T> Deref for UnitValue<T> {
26	type Target = T;
27
28	fn deref(&self) -> &Self::Target {
29		&self.value
30	}
31}
32
33impl<T: FromStr> FromStr for UnitValue<T> {
34	type Err = T::Err;
35
36	fn from_str(s: &str) -> Result<Self, Self::Err> {
37		let (value, unit) = s.split_once('*').map_or((s, None), |(val, unit)| (val, Some(unit)));
38		Ok(Self {
39			value: T::from_str(value)?,
40			unit: unit.map(str::to_string),
41		})
42	}
43}
dsmr_parse/unit_value.rs

dsmr_parse/
unit_value.rs
