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surechen 2021-12-11 14:55:13 +08:00
parent 82575a1d6f
commit dfdc60fc99

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//! A `MutVisitor` represents an AST modification; it accepts an AST piece and
//! and mutates it in place. So, for instance, macro expansion is a `MutVisitor`
//! mutates it in place. So, for instance, macro expansion is a `MutVisitor`
//! that walks over an AST and modifies it.
//!
//! Note: using a `MutVisitor` (other than the `MacroExpander` `MutVisitor`) on