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aff1be2637
The pretty-printers open and close "boxes" of text a lot. The open and close operations must be matched. The matching is currently all implicit and very easy to get wrong. (#140280 and #140246 are two recent pretty-printing fixes that both involved unclosed boxes.) This commit introduces `BoxMarker`, a marker type that represents an open box. It makes box opening/closing explicit, which makes it much easier to understand and harder to get wrong. The commit also removes many comments are on `end` calls saying things like "end outer head-block", "Close the outer-box". These demonstrate how confusing the implicit approach was, but aren't necessary any more.
12 lines
227 B
Rust
12 lines
227 B
Rust
// tidy-alphabetical-start
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#![allow(internal_features)]
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#![doc(rust_logo)]
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#![feature(box_patterns)]
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#![feature(negative_impls)]
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#![feature(rustdoc_internals)]
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// tidy-alphabetical-end
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mod helpers;
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pub mod pp;
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pub mod pprust;
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