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chore: add stack overflow warning for Visitor and VisitorMut (#2068)

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niebayes 2025-10-16 16:37:01 +08:00 • committed by GitHub
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8
src/ast/visitor.rs
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@ -182,6 +182,10 @@ visit_noop!(bigdecimal::BigDecimal);
/// ```
pub trait Visitor {
/// Type returned when the recursion returns early.
///
/// Important note: The `Break` type should be kept as small as possible to prevent
/// stack overflow during recursion. If you need to return an error, consider
/// boxing it with `Box` to minimize stack usage.
type Break;
/// Invoked for any queries that appear in the AST before visiting children
@ -290,6 +294,10 @@ pub trait Visitor {
/// ```
pub trait VisitorMut {
/// Type returned when the recursion returns early.
///
/// Important note: The `Break` type should be kept as small as possible to prevent
/// stack overflow during recursion. If you need to return an error, consider
/// boxing it with `Box` to minimize stack usage.
type Break;
/// Invoked for any queries that appear in the AST before visiting children