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b38106b6d8
`rustc_data_structures::thin_vec::ThinVec` looks like this: ``` pub struct ThinVec<T>(Option<Box<Vec<T>>>); ``` It's just a zero word if the vector is empty, but requires two allocations if it is non-empty. So it's only usable in cases where the vector is empty most of the time. This commit removes it in favour of `thin_vec::ThinVec`, which is also word-sized, but stores the length and capacity in the same allocation as the elements. It's good in a wider variety of situation, e.g. in enum variants where the vector is usually/always non-empty. The commit also: - Sorts some `Cargo.toml` dependency lists, to make additions easier. - Sorts some `use` item lists, to make additions easier. - Changes `clean_trait_ref_with_bindings` to take a `ThinVec<TypeBinding>` rather than a `&[TypeBinding]`, because this avoid some unnecessary allocations.
42 lines
1.3 KiB
TOML
42 lines
1.3 KiB
TOML
[package]
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name = "rustc_middle"
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version = "0.0.0"
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edition = "2021"
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[lib]
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doctest = false
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[dependencies]
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bitflags = "1.2.1"
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chalk-ir = "0.80.0"
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either = "1.5.0"
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gsgdt = "0.1.2"
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polonius-engine = "0.13.0"
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rand = "0.8.4"
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rand_xoshiro = "0.6.0"
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rustc_apfloat = { path = "../rustc_apfloat" }
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rustc_arena = { path = "../rustc_arena" }
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rustc_ast = { path = "../rustc_ast" }
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rustc_attr = { path = "../rustc_attr" }
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rustc_data_structures = { path = "../rustc_data_structures" }
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rustc_errors = { path = "../rustc_errors" }
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rustc_feature = { path = "../rustc_feature" }
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rustc_graphviz = { path = "../rustc_graphviz" }
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rustc_hir = { path = "../rustc_hir" }
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rustc_index = { path = "../rustc_index" }
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rustc_macros = { path = "../rustc_macros" }
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rustc_query_system = { path = "../rustc_query_system" }
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rustc-rayon-core = { version = "0.4.0", optional = true }
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rustc-rayon = { version = "0.4.0", optional = true }
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rustc_serialize = { path = "../rustc_serialize" }
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rustc_session = { path = "../rustc_session" }
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rustc_span = { path = "../rustc_span" }
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rustc_target = { path = "../rustc_target" }
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rustc_type_ir = { path = "../rustc_type_ir" }
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smallvec = { version = "1.8.1", features = ["union", "may_dangle"] }
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thin-vec = "0.2.8"
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tracing = "0.1"
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[features]
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rustc_use_parallel_compiler = ["rustc-rayon", "rustc-rayon-core"]
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