Module span

Expand description

Span (Span) and error (Error) related implementations.

In laps, Span represents a region of the input characters, which consists of a start location and an end location. Location is a line-column pair.

For example, for the following input:

The quick brown fox
jumps over the lazy dog.

Span 1:5-1:9 corresponds to:

The quick brown fox
    ^^^^^
jumps over the lazy dog.

Span 1:17-2:10 corresponds to:

The quick brown fox
                ^^^
jumps over the lazy dog.
^^^^^^^^^^

Structs§

Location: A line-column mark.
Span: A span that records source code locations.

Enums§

Errorlogger: The type of error returned by logger methods of Span.
FileType: Type of input file.

Traits§

LocationUpdate: Trait for updating a location with a specific character type.
Spanned: Trait for getting span from objects.
TrySpan: Trait for getting span from objects that may not contain a span.

Type Aliases§

Result: A specialized Result type for lexers and parsers.

Derive Macros§