garde/
lib.rs

1#![doc = include_str!("../README.md")]
2
3pub mod error;
4pub mod rules;
5pub mod validate;
6
7pub use error::{Error, Path, Report};
8#[cfg(feature = "derive")]
9pub use garde_derive::{select, Validate};
10pub use validate::{Unvalidated, Valid, Validate};
11
12pub type Result = ::core::result::Result<(), Error>;
13
14pub mod external {
15    pub use {compact_str, smallvec};
16}
17
18#[doc(hidden)]
19pub mod util {
20    use crate::error::PathComponentKind;
21    use crate::Path;
22
23    #[inline]
24    pub fn __make_nested_path<'a, C: PathComponentKind + Clone + 'a>(
25        mut parent: impl FnMut() -> Path + 'a,
26        component: C,
27    ) -> impl FnMut() -> Path + 'a {
28        let mut nested = None::<Path>;
29
30        #[inline]
31        move || MaybeJoin::maybe_join(&mut nested, &mut parent, || component.clone())
32    }
33
34    #[doc(hidden)]
35    #[macro_export]
36    macro_rules! __nested_path {
37        ($parent:ident, $key:expr) => {
38            $crate::util::__make_nested_path(&mut $parent, &$key)
39        };
40    }
41
42    pub use crate::__nested_path as nested_path;
43
44    pub trait MaybeJoin {
45        fn maybe_join<C, P, CF>(&mut self, parent: P, component: CF) -> Path
46        where
47            C: PathComponentKind,
48            P: FnMut() -> Path,
49            CF: Fn() -> C;
50    }
51
52    impl MaybeJoin for Option<Path> {
53        #[inline]
54        fn maybe_join<C, P, CF>(&mut self, mut parent: P, component: CF) -> Path
55        where
56            C: PathComponentKind,
57            P: FnMut() -> Path,
58            CF: Fn() -> C,
59        {
60            match self {
61                Some(path) => path.clone(),
62                None => {
63                    let path = parent().join(component());
64                    *self = Some(path.clone());
65                    path
66                }
67            }
68        }
69    }
70}
garde/lib.rs

garde/
lib.rs
