d1f05fd184
When collecting tokens there are two kinds of range: - a range relative to the parser's full token stream (which we get when we are parsing); - a range relative to a single AST node's token stream (which we use within `LazyAttrTokenStreamImpl` when replacing tokens). These are currently both represented with `Range<u32>` and it's easy to mix them up -- until now I hadn't properly understood the difference. This commit introduces `ParserRange` and `NodeRange` to distinguish them. This also requires splitting `ReplaceRange` in two, giving the new types `ParserReplacement` and `NodeReplacement`. (These latter two names reduce the overloading of the word "range".) The commit also rewrites some comments to be clearer. The end result is a little more verbose, but much clearer. |
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This is the main source code repository for Rust. It contains the compiler, standard library, and documentation.
Why Rust?
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Performance: Fast and memory-efficient, suitable for critical services, embedded devices, and easily integrate with other languages.
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