telety_impl/alias/
error.rs

1use proc_macro2::Span;
2
3
4pub struct Error {
5    span: Span,
6    pub kind: Kind,
7}
8
9pub enum Kind {
10    AssociatedType,
11    Closure,
12}
13
14impl Kind {
15    pub(crate) fn error(self, span: Span) -> Error {
16        Error::new(span, self)
17    }
18}
19
20impl Error {
21    pub(crate) fn new(span: Span, kind: Kind) -> Self {
22        Self {
23            span,
24            kind,
25        }
26    }
27}
28
29impl From<Error> for syn::Error {
30    fn from(value: Error) -> Self {
31        let Error {
32            span,
33            kind,
34        } = value;
35
36        let message = match kind {
37            Kind::AssociatedType => "Associated types are not supported".to_string(),
38            Kind::Closure => "Closure traits are not supported".to_string(),
39        };
40
41        syn::Error::new(span, message)
42    }
43}
telety_impl/alias/error.rs

telety_impl/alias/
error.rs
