Struct rustc_mir_transform::generator::SuspensionPoint

source · 
struct SuspensionPoint<'tcx> {
    state: usize,
    resume: BasicBlock,
    resume_arg: Place<'tcx>,
    drop: Option<BasicBlock>,
    storage_liveness: GrowableBitSet<Local>,
}
Expand description

A yield point in the generator.

Fields

state: usize

State discriminant used when suspending or resuming at this point.

resume: BasicBlock

The block to jump to after resumption.

resume_arg: Place<'tcx>

Where to move the resume argument after resumption.

drop: Option<BasicBlock>

Which block to jump to if the generator is dropped in this state.

storage_liveness: GrowableBitSet<Local>

Set of locals that have live storage while at this suspension point.

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Returns the argument unchanged.

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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: 64 bytes