Reference

Public API

item	what it is
LexerEngine	the trait a lexer implements
LexerRequest	source text + language + position, as handed to an engine
Lexer	handle over an engine; new / with_options construct it

Crate

crate	role
hnl-engine-lex	abstraction — contract only

Build and test

cargo build     # sibling [patch] tables resolve deps from ../<repo>
cargo test      # no test suite here — covered by consumers

Dependencies are git deps on branch = "main"; locally the [patch] tables point at sibling checkouts (regenerated by host/scripts/dev-link.sh).