[][src]Trait rustc_ap_rustc_span::HashStableContext

pub trait HashStableContext {
    fn hash_spans(&self) -> bool;
fn hash_def_id(&mut self, _: DefId, hasher: &mut StableHasher);
fn byte_pos_to_line_and_col(
        &mut self,
        byte: BytePos
    ) -> Option<(Lrc<SourceFile>, usize, BytePos)>; }

Requirements for a StableHashingContext to be used in this crate. This is a hack to allow using the HashStable_Generic derive macro instead of implementing everything in librustc.

Required methods

fn hash_spans(&self) -> bool

fn hash_def_id(&mut self, _: DefId, hasher: &mut StableHasher)

fn byte_pos_to_line_and_col(
    &mut self,
    byte: BytePos
) -> Option<(Lrc<SourceFile>, usize, BytePos)>

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Implementors

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