educe/common/
type.rs

1use syn::{
2    parse::{Parse, ParseStream},
3    punctuated::Punctuated,
4    Meta, Token, Type,
5};
6
7pub(crate) struct TypeWithPunctuatedMeta {
8    pub(crate) ty:   Type,
9    pub(crate) list: Punctuated<Meta, Token![,]>,
10}
11
12impl Parse for TypeWithPunctuatedMeta {
13    #[inline]
14    fn parse(input: ParseStream) -> syn::Result<Self> {
15        let ty = input.parse::<Type>()?;
16
17        if input.is_empty() {
18            return Ok(Self {
19                ty,
20                list: Punctuated::new(),
21            });
22        }
23
24        input.parse::<Token![,]>()?;
25
26        let list = input.parse_terminated(Meta::parse, Token![,])?;
27
28        Ok(Self {
29            ty,
30            list,
31        })
32    }
33}
34
35#[inline]
36pub(crate) fn dereference(ty: &Type) -> &Type {
37    if let Type::Reference(ty) = ty {
38        dereference(ty.elem.as_ref())
39    } else {
40        ty
41    }
42}
43
44#[inline]
45pub(crate) fn dereference_changed(ty: &Type) -> (&Type, bool) {
46    if let Type::Reference(ty) = ty {
47        (dereference(ty.elem.as_ref()), true)
48    } else {
49        (ty, false)
50    }
51}
educe/common/type.rs

educe/common/
type.rs
