Struct rustc_ap_rustc_session::parse::GatedSpans [−][src]
Expand description
Collected spans during parsing for places where a certain feature was
used and should be feature gated accordingly in check_crate
.
Fields
spans: Lock<FxHashMap<Symbol, Vec<Span>>>
Implementations
Feature gate the given span
under the given feature
which is same Symbol
used in active.rs
.
Ungate the last span under the given feature
.
Panics if the given span
wasn’t the last one.
Using this is discouraged unless you have a really good reason to.
Is the provided feature
gate ungated currently?
Using this is discouraged unless you have a really good reason to.
Trait Implementations
Returns the “default value” for a type. Read more
Auto Trait Implementations
impl !RefUnwindSafe for GatedSpans
impl !Send for GatedSpans
impl !Sync for GatedSpans
impl Unpin for GatedSpans
impl UnwindSafe for GatedSpans