Add look-ahead to custom syntax parser.

2020-12-15 19:23:30 +08:00
parent 17310ef576
commit f8c14ba1c4
4 changed files with 16 additions and 12 deletions
--- a/tests/syntax.rs
+++ b/tests/syntax.rs
@@ -93,7 +93,7 @@ fn test_custom_syntax_raw() -> Result<(), Box<EvalAltResult>> {

    engine.register_custom_syntax_raw(
        "hello",
-        |stream| match stream.len() {
+        |stream, _| match stream.len() {
            0 => unreachable!(),
            1 => Ok(Some("$ident$".into())),
            2 => match stream[1].as_str() {