jsoncanvas/
id.rs

1use std::{fmt::Display, str::FromStr};
2
3use serde::{Deserialize, Serialize};
4
5#[derive(Debug, thiserror::Error)]
6#[error("ID is empty")]
7pub struct EmptyId;
8
9macro_rules! id_type {
10    ($($name: ident),+) => { $(
11        #[derive(Debug, Clone, Hash, PartialEq, Eq, Serialize, Deserialize)]
12        #[repr(transparent)]
13        #[serde(transparent)]
14        pub struct $name(pub(self) String);
15
16        impl $name {
17            pub fn into_inner(self) -> String {
18                self.0
19            }
20
21            pub fn as_str(&self) -> &str {
22                &self.0
23            }
24        }
25
26        impl Display for $name {
27            fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
28                self.0.fmt(f)
29            }
30        }
31
32        impl FromStr for $name {
33            type Err = EmptyId;
34
35            fn from_str(value: &str) -> Result<Self, Self::Err> {
36                if value.is_empty() {
37                    Err(EmptyId)
38                } else {
39                    Ok(Self(value.to_string()))
40                }
41            }
42        }
43
44        impl TryFrom<String> for $name {
45            type Error = EmptyId;
46
47            fn try_from(value: String) -> Result<Self, Self::Error> {
48                if value.is_empty() {
49                    Err(EmptyId)
50                } else {
51                    Ok(Self(value))
52                }
53            }
54        }
55    )+};
56}
57
58id_type!(NodeId, EdgeId);
jsoncanvas/id.rs

jsoncanvas/
id.rs
