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ast: Add Fold, Folder traits, reorganize visit

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parser: fix precedence of `BindOp::Let`
This commit is contained in:
John
2025-10-29 04:39:41 -04:00
parent 9a0d1232a6
commit c1d32f3efc
4 changed files with 298 additions and 24 deletions
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2
src/parser/expr.rs
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@@ -507,7 +507,7 @@ fn parse_for(p: &mut Parser<'_>, _level: ()) -> PResult<Expr> {
fn from_bind(p: &mut Parser<'_>) -> PResult<(BindOp, PPrec, Option<TKind>, Option<Prec>, Option<Prec>)> {
let bk = match p.peek()?.kind {
// Token Operator Pat prec Body Token Body prec Else prec
TKind::Let => (BindOp::Let, PPrec::Tuple, Some(TKind::Eq), Some(Prec::Compare), Some(Prec::Body)),
TKind::Let => (BindOp::Let, PPrec::Tuple, Some(TKind::Eq), Some(Prec::Tuple), Some(Prec::Body)),
TKind::Const => (BindOp::Const, PPrec::Tuple, Some(TKind::Eq), Some(Prec::Assign), None),
TKind::Static => (BindOp::Static, PPrec::Tuple, Some(TKind::Eq), Some(Prec::Assign), None),
TKind::Type => (BindOp::Type, PPrec::Tuple, Some(TKind::Eq), Some(Prec::Project), None),