Struct rustc_mir_build::thir::pattern::usefulness::PatCtxt[−][src]

pub(super) struct PatCtxt<'a, 'p, 'tcx> {
    pub(super) cx: &'a MatchCheckCtxt<'p, 'tcx>,
    pub(super) ty: Ty<'tcx>,
    pub(super) span: Span,
    pub(super) is_top_level: bool,
}

Fields

cx: &'a MatchCheckCtxt<'p, 'tcx>ty: Ty<'tcx>
Expand description

Type of the current column under investigation.

span: Span
Expand description

Span of the current pattern under investigation.

is_top_level: bool
Expand description

Whether the current pattern is the whole pattern as found in a match arm, or if it’s a subpattern.

Trait Implementations

impl<'a, 'p, 'tcx> Clone for PatCtxt<'a, 'p, 'tcx>[src]

fn clone(&self) -> PatCtxt<'a, 'p, 'tcx>[src]

Returns a copy of the value. Read more

fn clone_from(&mut self, source: &Self)1.0.0[src]

Performs copy-assignment from source. Read more

impl<'a, 'p, 'tcx> Debug for PatCtxt<'a, 'p, 'tcx>[src]

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

Formats the value using the given formatter. Read more

impl<'a, 'p, 'tcx> Copy for PatCtxt<'a, 'p, 'tcx>[src]

Auto Trait Implementations

impl<'a, 'p, 'tcx> !RefUnwindSafe for PatCtxt<'a, 'p, 'tcx>

impl<'a, 'p, 'tcx> !Send for PatCtxt<'a, 'p, 'tcx>

impl<'a, 'p, 'tcx> !Sync for PatCtxt<'a, 'p, 'tcx>

impl<'a, 'p, 'tcx> Unpin for PatCtxt<'a, 'p, 'tcx> where
    'p: 'a,
    'tcx: 'a, 

impl<'a, 'p, 'tcx> !UnwindSafe for PatCtxt<'a, 'p, 'tcx>

Blanket Implementations

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

pub fn type_id(&self) -> TypeId[src]

Gets the TypeId of self. Read more

impl<T> Borrow<T> for T where
    T: ?Sized, [src]

pub fn borrow(&self) -> &T[src]

Immutably borrows from an owned value. Read more

impl<T> BorrowMut<T> for T where
    T: ?Sized, [src]

pub fn borrow_mut(&mut self) -> &mut T[src]

Mutably borrows from an owned value. Read more

impl<T> From<T> for T[src]

pub fn from(t: T) -> T[src]

Performs the conversion.

impl<T, U> Into<U> for T where
    U: From<T>, [src]

pub fn into(self) -> U[src]

Performs the conversion.

impl<T> ToOwned for T where
    T: Clone, [src]

type Owned = T

The resulting type after obtaining ownership.

pub fn to_owned(&self) -> T[src]

Creates owned data from borrowed data, usually by cloning. Read more

pub fn clone_into(&self, target: &mut T)[src]

🔬 This is a nightly-only experimental API. (toowned_clone_into)

recently added

Uses borrowed data to replace owned data, usually by cloning. Read more

impl<T, U> TryFrom<U> for T where
    U: Into<T>, [src]

type Error = Infallible

The type returned in the event of a conversion error.

pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>[src]

Performs the conversion.

impl<T, U> TryInto<U> for T where
    U: TryFrom<T>, [src]

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

The type returned in the event of a conversion error.

pub fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>[src]

Performs the conversion.

impl<'a, T> Captures<'a> for T where
    T: ?Sized, [src]