Struct DeadCodeLivenessSnapshot 

pub struct DeadCodeLivenessSnapshot {
    pub live: LocalDefIdSet,
    pub sites_by_defid: LocalDefIdMap<Vec<LocalDefId>>,
    pub sites: LocalDefIdMap<Span>,
}

A single snapshot of dead-code liveness analysis state.

Fields

live: LocalDefIdSet

sites_by_defid: LocalDefIdMap<Vec<LocalDefId>>

This maps defs that were only used from items annotated with #[rustc_trivial_field_reads] to those items

sites: LocalDefIdMap<Span>

For each of the items annotated with #[rustc_trivial_field_reads], we store the attr span here, so we can use it for diagnostics if needed

Implementations

impl DeadCodeLivenessSnapshot

pub fn is_live(&self, id: &LocalDefId) -> bool

pub fn trivial_usage_sites( &self, def_id: &LocalDefId, ) -> impl Iterator<Item = LocalDefId>

pub fn trivial_usage_site_span_by_id(&self, site_id: LocalDefId) -> Span

Trait Implementations

impl Clone for DeadCodeLivenessSnapshot

fn clone(&self) -> Self

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for DeadCodeLivenessSnapshot

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl StableHash for DeadCodeLivenessSnapshot

fn stable_hash<__Hcx: StableHashCtxt>( &self, __hcx: &mut __Hcx, __hasher: &mut StableHasher, )

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: 96 bytes