Enum rustc_hir::hir::MatchSource[−][src]

pub enum MatchSource {
    Normal,
    IfLetDesugar {
        contains_else_clause: bool,
    },
    IfLetGuardDesugar,
    WhileDesugar,
    WhileLetDesugar,
    ForLoopDesugar,
    TryDesugar,
    AwaitDesugar,
}
Expand description

Hints at the original code for a match _ { .. }.

Variants

Normal
Expand description

A match _ { .. }.

IfLetDesugar
Expand description

An if let _ = _ { .. } (optionally with else { .. }).

Show fields

Fields of IfLetDesugar

contains_else_clause: bool
IfLetGuardDesugar
Expand description

An if let _ = _ => { .. } match guard.

WhileDesugar
Expand description

A while _ { .. } (which was desugared to a loop { match _ { .. } }).

WhileLetDesugar
Expand description

A while let _ = _ { .. } (which was desugared to a loop { match _ { .. } }).

ForLoopDesugar
Expand description

A desugared for _ in _ { .. } loop.

TryDesugar
Expand description

A desugared ? operator.

AwaitDesugar
Expand description

A desugared <expr>.await.

Implementations

impl MatchSource[src]

pub fn name(self) -> &'static str[src]

Trait Implementations

impl Clone for MatchSource[src]

fn clone(&self) -> MatchSource[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 Debug for MatchSource[src]

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

Formats the value using the given formatter. Read more

impl<__E: Encoder> Encodable<__E> for MatchSource[src]

fn encode(&self, __encoder: &mut __E) -> Result<(), <__E as Encoder>::Error>[src]

impl Hash for MatchSource[src]

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

Feeds this value into the given Hasher. Read more

fn hash_slice<H>(data: &[Self], state: &mut H) where
    H: Hasher, 1.3.0[src]

Feeds a slice of this type into the given Hasher. Read more

impl<__CTX> HashStable<__CTX> for MatchSource where
    __CTX: HashStableContext, [src]

fn hash_stable(&self, __hcx: &mut __CTX, __hasher: &mut StableHasher)[src]

impl PartialEq<MatchSource> for MatchSource[src]

fn eq(&self, other: &MatchSource) -> bool[src]

This method tests for self and other values to be equal, and is used by ==. Read more

fn ne(&self, other: &MatchSource) -> bool[src]

This method tests for !=.

impl Copy for MatchSource[src]

impl Eq for MatchSource[src]

impl StructuralEq for MatchSource[src]

impl StructuralPartialEq for MatchSource[src]

Auto Trait Implementations

impl RefUnwindSafe for MatchSource

impl Send for MatchSource

impl Sync for MatchSource

impl Unpin for MatchSource

impl UnwindSafe for MatchSource

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.