Enum rustc_session::config::MirIncludeSpans

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pub enum MirIncludeSpans {
    Off,
    On,
    Nll,
}
Expand description

Whether extra span comments are included when dumping MIR, via the -Z mir-include-spans flag. By default, only enabled in the NLL MIR dumps, and disabled in all other passes.

Variants§

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Off

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On

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Nll

Default: include extra comments in NLL MIR dumps only. Can be ignored and considered as Off in all other cases.

Implementations§

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impl MirIncludeSpans

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pub fn is_enabled(self) -> bool

Unless opting into extra comments for all passes, they can be considered disabled. The cases where a distinction between on/off and a per-pass value can exist will be handled in the passes themselves: i.e. the Nll value is considered off for all intents and purposes, except for the NLL MIR dump pass.

Trait Implementations§

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impl Clone for MirIncludeSpans

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fn clone(&self) -> MirIncludeSpans

Returns a copy 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 MirIncludeSpans

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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 Default for MirIncludeSpans

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fn default() -> MirIncludeSpans

Returns the “default value” for a type. Read more
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impl PartialEq for MirIncludeSpans

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fn eq(&self, other: &MirIncludeSpans) -> 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 Copy for MirIncludeSpans

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impl StructuralPartialEq for MirIncludeSpans

Auto Trait Implementations§

Blanket Implementations§

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impl<T> Aligned for T

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const ALIGN: Alignment = _

Alignment of Self.
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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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where T: Any + PartialEq,

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fn equals(&self, other: &(dyn Any + 'static)) -> bool

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impl<'tcx, T> ArenaAllocatable<'tcx, IsCopy> for T
where T: Copy,

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fn allocate_on<'a>(self, arena: &'a Arena<'tcx>) -> &'a mut T

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fn allocate_from_iter<'a>( arena: &'a Arena<'tcx>, iter: impl IntoIterator<Item = T>, ) -> &'a mut [T]

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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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where T: Clone,

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unsafe fn clone_to_uninit(&self, dst: *mut T)

🔬This is a nightly-only experimental API. (clone_to_uninit)
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fn collect_and_apply<I, F>(iter: I, f: F) -> R
where I: Iterator<Item = T>, F: FnOnce(&[T]) -> R,

Equivalent to f(&iter.collect::<Vec<_>>()).

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type Output = R

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impl<T> Filterable for T

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fn filterable( self, filter_name: &'static str, ) -> RequestFilterDataProvider<T, fn(_: DataRequest<'_>) -> bool>

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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> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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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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Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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type Error = Infallible

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impl<I, T, U> Upcast<I, U> for T
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where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more
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impl<T> MaybeSendSync for T

Layout§

Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...) attributes. Please see the Rust Reference's “Type Layout” chapter for details on type layout guarantees.

Size: 1 byte

Size for each variant:

  • Off: 0 bytes
  • On: 0 bytes
  • Nll: 0 bytes