John
7e311cb0ef
cl-ast: No more bare ExprKind: every Expr has a Span cl-interpret: Give errors a span cl-repl: Print eval errors in load_file, instead of returning them. These changes are relevant.
15 lines
386 B
Rust
15 lines
386 B
Rust
//! Squashes group expressions
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use crate::{ast::*, ast_visitor::fold::*};
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/// Squashes group expressions
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pub struct SquashGroups;
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impl Fold for SquashGroups {
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fn fold_expr_kind(&mut self, kind: ExprKind) -> ExprKind {
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match kind {
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ExprKind::Group(Group { expr }) => self.fold_expr(*expr).kind,
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_ => or_fold_expr_kind(self, kind),
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}
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}
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}
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