Module range 

Structs

BytePos

ByteRange

CharPos

CharPos is designed to match VSCode’s vscode.Position type. Both line and column are 0-based.

CharRange

Data structure for sharing spans outside rustc.

RangeContext

Enums

FunctionIdentifier

An externally-provided identifier of a function

Traits

ToSpan

Used to convert objects into a Span with access to TyCtxt