Enum rustc_borrowck::diagnostics::region_name::RegionNameSource[−][src]

pub(crate) enum RegionNameSource {
    NamedEarlyBoundRegion(Span),
    NamedFreeRegion(Span),
    Static,
    SynthesizedFreeEnvRegion(Span, String),
    AnonRegionFromArgument(RegionNameHighlight),
    AnonRegionFromUpvar(Span, String),
    AnonRegionFromOutput(RegionNameHighlight, String),
    AnonRegionFromYieldTy(Span, String),
    AnonRegionFromAsyncFn(Span),
}
Expand description

Denotes the source of a region that is named by a RegionName. For example, a free region that was named by the user would get NamedFreeRegion and 'static lifetime would get Static. This helps to print the right kinds of diagnostics.

Variants

NamedEarlyBoundRegion(Span)

A bound (not free) region that was substituted at the def site (not an HRTB).

Tuple Fields of NamedEarlyBoundRegion

0: Span
NamedFreeRegion(Span)

A free region that the user has a name ('a) for.

Tuple Fields of NamedFreeRegion

0: Span
Static

The 'static region.

SynthesizedFreeEnvRegion(Span, String)

The free region corresponding to the environment of a closure.

Tuple Fields of SynthesizedFreeEnvRegion

0: Span1: String
AnonRegionFromArgument(RegionNameHighlight)

The region corresponding to an argument.

Tuple Fields of AnonRegionFromArgument

0: RegionNameHighlight
AnonRegionFromUpvar(Span, String)

The region corresponding to a closure upvar.

Tuple Fields of AnonRegionFromUpvar

0: Span1: String
AnonRegionFromOutput(RegionNameHighlight, String)

The region corresponding to the return type of a closure.

Tuple Fields of AnonRegionFromOutput

0: RegionNameHighlight1: String
AnonRegionFromYieldTy(Span, String)

The region from a type yielded by a generator.

Tuple Fields of AnonRegionFromYieldTy

0: Span1: String
AnonRegionFromAsyncFn(Span)

An anonymous region from an async fn.

Tuple Fields of AnonRegionFromAsyncFn

0: Span

Trait Implementations

Returns a copy of the value. Read more

Performs copy-assignment from source. Read more

Formats the value using the given formatter. Read more

Auto Trait Implementations

Blanket Implementations

Gets the TypeId of self. Read more

Immutably borrows from an owned value. Read more

Mutably borrows from an owned value. Read more

Performs the conversion.

Performs the conversion.

The resulting type after obtaining ownership.

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

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

recently added

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

The type returned in the event of a conversion error.

Performs the conversion.

The type returned in the event of a conversion error.

Performs the conversion.

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: 72 bytes

Size for each variant: