diff options
| -rw-r--r-- | compiler/rustc_ast/src/tokenstream.rs | 9 |
1 files changed, 0 insertions, 9 deletions
diff --git a/compiler/rustc_ast/src/tokenstream.rs b/compiler/rustc_ast/src/tokenstream.rs index f4f35a4d2ee..f9bac42ada3 100644 --- a/compiler/rustc_ast/src/tokenstream.rs +++ b/compiler/rustc_ast/src/tokenstream.rs @@ -3,15 +3,6 @@ //! `TokenStream`s represent syntactic objects before they are converted into ASTs. //! A `TokenStream` is, roughly speaking, a sequence of [`TokenTree`]s, //! which are themselves a single [`Token`] or a `Delimited` subsequence of tokens. -//! -//! ## Ownership -//! -//! `TokenStream`s are persistent data structures constructed as ropes with reference -//! counted-children. In general, this means that calling an operation on a `TokenStream` -//! (such as `slice`) produces an entirely new `TokenStream` from the borrowed reference to -//! the original. This essentially coerces `TokenStream`s into "views" of their subparts, -//! and a borrowed `TokenStream` is sufficient to build an owned `TokenStream` without taking -//! ownership of the original. use std::borrow::Cow; use std::ops::Range; |