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add string interning wikipedia link (#960)

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hosseind88 2020-11-15 20:44:06 +03:30 committed by GitHub
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@ -33,6 +33,9 @@ we'll talk about that later.
[`rustc_parse`] to prepare for the next stage of the compile process. The [`rustc_parse`] to prepare for the next stage of the compile process. The
[`StringReader`] struct is used at this stage to perform a set of validations [`StringReader`] struct is used at this stage to perform a set of validations
and turn strings into interned symbols (_interning_ is discussed later). and turn strings into interned symbols (_interning_ is discussed later).
[String interning] is a way of storing only one immutable
copy of each distinct string value.
- The lexer has a small interface and doesn't depend directly on the - The lexer has a small interface and doesn't depend directly on the
diagnostic infrastructure in `rustc`. Instead it provides diagnostics as plain diagnostic infrastructure in `rustc`. Instead it provides diagnostics as plain
data which are emitted in `rustc_parse::lexer::mod` as real diagnostics. data which are emitted in `rustc_parse::lexer::mod` as real diagnostics.
@ -97,6 +100,7 @@ we'll talk about that later.
- The different libraries/binaries are linked together to produce the final - The different libraries/binaries are linked together to produce the final
binary. binary.
[String interning]: https://en.wikipedia.org/wiki/String_interning
[`rustc_lexer`]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_lexer/index.html [`rustc_lexer`]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_lexer/index.html
[`rustc_driver`]: https://rustc-dev-guide.rust-lang.org/rustc-driver.html [`rustc_driver`]: https://rustc-dev-guide.rust-lang.org/rustc-driver.html
[`rustc_interface::Config`]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_interface/interface/struct.Config.html [`rustc_interface::Config`]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_interface/interface/struct.Config.html