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PathPattern

Enum PathPattern 

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pub enum PathPattern {
    Exact(Path),
    Prefix(Path),
    PrefixSuffix(Path, Path),
}
Expand description

A pattern over paths, matched component-wise — never byte-wise.

A Prefix pattern for config/gate/accounts matches config/gate/accounts/personal but not config/gate/accounts_other, which a naive string starts_with would incorrectly match.

§Examples

use structfs_core_store::{path, PathPattern};

let exact = PathPattern::exact(path!("gate/defaults/model"));
assert!(exact.matches(&path!("gate/defaults/model")));
assert!(!exact.matches(&path!("gate/defaults/model/extra")));

let prefix = PathPattern::prefix(path!("gate/accounts"));
assert!(prefix.matches(&path!("gate/accounts")));
assert!(prefix.matches(&path!("gate/accounts/personal/key")));
assert!(!prefix.matches(&path!("gate/accounts_other")));

// Match `gate/accounts/{anything...}/provider`
let ps = PathPattern::prefix_suffix(path!("gate/accounts"), path!("provider"));
assert!(ps.matches(&path!("gate/accounts/personal/provider")));
assert!(!ps.matches(&path!("gate/accounts/personal/model")));

Variants§

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Exact(Path)

Matches exactly one path.

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Prefix(Path)

Matches the path itself and everything under it.

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PrefixSuffix(Path, Path)

Matches paths that start with the prefix and end with the suffix, with at least the suffix’s components after the prefix. The middle may be empty: prefix_suffix(a, c) matches a/c and a/b/c.

Implementations§

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impl PathPattern

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pub fn exact(path: Path) -> Self

Pattern matching exactly path.

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pub fn prefix(path: Path) -> Self

Pattern matching path and all its descendants.

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pub fn prefix_suffix(prefix: Path, suffix: Path) -> Self

Pattern matching paths under prefix that end with suffix.

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pub fn matches(&self, path: &Path) -> bool

Check whether a path matches this pattern (component-wise).

Trait Implementations§

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impl Clone for PathPattern

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fn clone(&self) -> PathPattern

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for PathPattern

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl Eq for PathPattern

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impl Hash for PathPattern

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fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher. Read more
1.3.0 · Source§

fn hash_slice<H>(data: &[Self], state: &mut H)
where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher. Read more
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impl PartialEq for PathPattern

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fn eq(&self, other: &PathPattern) -> bool

Equality operator ==. Read more
1.0.0 (const: unstable) · Source§

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=. Read more
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impl StructuralPartialEq for PathPattern

Auto Trait Implementations§

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = !

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, !>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.