educe/
supported_traits.rs

1#[cfg(not(any(
2    feature = "Debug",
3    feature = "Clone",
4    feature = "Copy",
5    feature = "PartialEq",
6    feature = "Eq",
7    feature = "PartialOrd",
8    feature = "Ord",
9    feature = "Hash",
10    feature = "Default",
11    feature = "Deref",
12    feature = "DerefMut",
13    feature = "Into",
14)))]
15compile_error!("at least one of the trait features must be enabled");
16
17use enum_ordinalize::Ordinalize;
18use syn::Path;
19
20#[derive(Debug, Copy, Clone, Eq, PartialEq, Hash, Ordinalize)]
21#[ordinalize(impl_trait = false)]
22#[ordinalize(variants(pub(crate) const VARIANTS))]
23pub(crate) enum Trait {
24    #[cfg(feature = "Debug")]
25    Debug,
26    #[cfg(feature = "Clone")]
27    Clone,
28    #[cfg(feature = "Copy")]
29    Copy,
30    #[cfg(feature = "PartialEq")]
31    PartialEq,
32    #[cfg(feature = "Eq")]
33    Eq,
34    #[cfg(feature = "PartialOrd")]
35    PartialOrd,
36    #[cfg(feature = "Ord")]
37    Ord,
38    #[cfg(feature = "Hash")]
39    Hash,
40    #[cfg(feature = "Default")]
41    Default,
42    #[cfg(feature = "Deref")]
43    Deref,
44    #[cfg(feature = "DerefMut")]
45    DerefMut,
46    #[cfg(feature = "Into")]
47    Into,
48
49    _Nothing,
50}
51
52impl Trait {
53    #[inline]
54    pub(crate) fn from_path(path: &Path) -> Option<Self> {
55        let ident_string = match path.get_ident() {
56            Some(ident) => ident.to_string(),
57            None => return None,
58        };
59
60        match ident_string.as_str() {
61            #[cfg(feature = "Debug")]
62            "Debug" => Some(Self::Debug),
63            #[cfg(feature = "Clone")]
64            "Clone" => Some(Self::Clone),
65            #[cfg(feature = "Copy")]
66            "Copy" => Some(Self::Copy),
67            #[cfg(feature = "PartialEq")]
68            "PartialEq" => Some(Self::PartialEq),
69            #[cfg(feature = "Eq")]
70            "Eq" => Some(Self::Eq),
71            #[cfg(feature = "PartialOrd")]
72            "PartialOrd" => Some(Self::PartialOrd),
73            #[cfg(feature = "Ord")]
74            "Ord" => Some(Self::Ord),
75            #[cfg(feature = "Hash")]
76            "Hash" => Some(Self::Hash),
77            #[cfg(feature = "Default")]
78            "Default" => Some(Self::Default),
79            #[cfg(feature = "Deref")]
80            "Deref" => Some(Self::Deref),
81            #[cfg(feature = "DerefMut")]
82            "DerefMut" => Some(Self::DerefMut),
83            #[cfg(feature = "Into")]
84            "Into" => Some(Self::Into),
85            _ => None,
86        }
87    }
88}
educe/supported_traits.rs

educe/
supported_traits.rs
