pub struct FileId(pub u32);Expand description
T3.5 (R2.2): which file a Span belongs to. Allocated once per file by
the same “one counter, threaded from the per-project parse loop” shape
T3.4 used for ExprId (phase_parse/parse_sources in bynk-emit).
Defaults to FileId::UNKNOWN — most Span construction across the
workspace is either purely position-arithmetic (merge/offset, which
propagate whatever file the input spans already carried) or a
synthetic/single-file context (an LSP code action, a checker-internal
zero-width span) that was never at risk of the R2.2 defect (a label
rendered against the wrong file) in the first place — the defect is
specifically about a Span compared or rendered across files, and
those all originate at the lexer, the one place FileId::UNKNOWN is
never used.
Tuple Fields§
§0: u32Implementations§
Trait Implementations§
Source§impl Ord for FileId
impl Ord for FileId
Source§impl PartialOrd for FileId
impl PartialOrd for FileId
impl Copy for FileId
impl Eq for FileId
impl StructuralPartialEq for FileId
Auto Trait Implementations§
impl Freeze for FileId
impl RefUnwindSafe for FileId
impl Send for FileId
impl Sync for FileId
impl Unpin for FileId
impl UnsafeUnpin for FileId
impl UnwindSafe for FileId
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