Struct NixQueryPathMap

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pub struct NixQueryPathMap(pub TreePathMap<NixQueryDrv>);
Expand description

A mapping of NixQueryDrv to TreePath. This gives an easy way to figure out where a NixQueryDrv is an a NixQueryTree.

use indoc::indoc;
use nix_query_tree_viewer::nix_query_tree::{NixQueryDrv, NixQueryTree};
use nix_query_tree_viewer::tree::Path;
use std::str::FromStr;

let raw_tree = indoc!(
        "/nix/store/qy93dp4a3rqyn2mz63fbxjg228hffwyw-hello-2.10
        +---/nix/store/pnd2kl27sag76h23wa5kl95a76n3k9i3-glibc-2.27
        |   +---/nix/store/pnd2kl27sag76h23wa5kl95a76n3k9i3-glibc-2.27 [...]
        +---/nix/store/qy93dp4a3rqyn2mz63fbxjg228hffwyw-hello-2.10 [...]
        +---/nix/store/9ny6szla9dg61jv8q22qbnqsz37465n0-multiple-outputs.sh
            +---/nix/store/pnd2kl27sag76h23wa5kl95a76n3k9i3-glibc-2.27 [...]
                +---/nix/store/5wvmvcc3b7sisirx1vsqbqdis0sd1x5d-cc-wrapper.sh
                +---/nix/store/5jzbjvnrz85n454inlyxcpgap9i6k6la-pcre-8.43
        "
    );
let nix_query_tree = NixQueryTree::from_str(raw_tree).unwrap();
let map = nix_query_tree.path_map();
let pcre_drv = NixQueryDrv::from("/nix/store/5jzbjvnrz85n454inlyxcpgap9i6k6la-pcre-8.43");
let expected_path = Some(Path::from(vec![2, 0, 1]));

assert_eq!(map.lookup_first(&pcre_drv), expected_path.as_ref());

Tuple Fields§

§0: TreePathMap<NixQueryDrv>

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Trait Implementations§

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impl Clone for NixQueryPathMap

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fn clone(&self) -> NixQueryPathMap

Returns a duplicate of the value. Read more
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fn clone_from(&mut self, source: &Self)

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

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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 PartialEq for NixQueryPathMap

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

Tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl Eq for NixQueryPathMap

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impl StructuralPartialEq for NixQueryPathMap

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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 = Infallible

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

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.