[−][src]Trait rustc::dep_graph::safe::DepGraphSafe
🔬 This is a nightly-only experimental API. (rustc_private
)
this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml
instead?
The DepGraphSafe
trait is used to specify what kinds of values
are safe to "leak" into a task. The idea is that this should be
only be implemented for things like the tcx as well as various id
types, which will create reads in the dep-graph whenever the trait
loads anything that might depend on the input program.
Implementations on Foreign Types
impl DepGraphSafe for NodeId
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impl DepGraphSafe for NodeId
A NodeId
on its own doesn't give access to any particular state.
You must fetch the state from the various maps or generate
on-demand queries, all of which create reads.
impl<A, B> DepGraphSafe for (A, B) where
A: DepGraphSafe,
B: DepGraphSafe,
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impl<A, B> DepGraphSafe for (A, B) where
A: DepGraphSafe,
B: DepGraphSafe,
Tuples make it easy to build up state.
impl<'a, A> DepGraphSafe for &'a A where
A: DepGraphSafe,
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impl<'a, A> DepGraphSafe for &'a A where
A: DepGraphSafe,
Shared ref to dep-graph-safe stuff should still be dep-graph-safe.
impl<'a, A> DepGraphSafe for &'a mut A where
A: DepGraphSafe,
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impl<'a, A> DepGraphSafe for &'a mut A where
A: DepGraphSafe,
Mut ref to dep-graph-safe stuff should still be dep-graph-safe.
impl DepGraphSafe for ()
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impl DepGraphSafe for ()
No data here! :)
Implementors
impl DepGraphSafe for DefId
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impl DepGraphSafe for DefId
A DefId
on its own doesn't give access to any particular state.
You must fetch the state from the various maps or generate
on-demand queries, all of which create reads.
impl DepGraphSafe for BodyId
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impl DepGraphSafe for BodyId
A BodyId
on its own doesn't give access to any particular state.
You must fetch the state from the various maps or generate
on-demand queries, all of which create reads.
impl<'a> DepGraphSafe for StableHashingContext<'a>
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impl<'a> DepGraphSafe for StableHashingContext<'a>
impl<'a, 'gcx, 'tcx> DepGraphSafe for TyCtxt<'a, 'gcx, 'tcx>
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impl<'a, 'gcx, 'tcx> DepGraphSafe for TyCtxt<'a, 'gcx, 'tcx>
The type context itself can be used to access all kinds of tracked state, but those accesses should always generate read events.
impl<T> DepGraphSafe for AssertDepGraphSafe<T>
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impl<T> DepGraphSafe for AssertDepGraphSafe<T>