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Document segments and debug env var in codegen.

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This commit is contained in:
Sergio Benitez 2016-12-23 02:37:57 -08:00
parent 7d97bf04ea
commit b6e3cb6c05
1 changed files with 11 additions and 1 deletions
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12
codegen/src/lib.rs
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@ -39,7 +39,7 @@
//! IDENT := Valid identifier, as defined by Rust //! IDENT := Valid identifier, as defined by Rust
//! //!
//! URI_SEG := Valid HTTP URI Segment //! URI_SEG := Valid HTTP URI Segment
//! DYNAMIC_PARAM := '<' IDENT '>' (string literal) //! DYNAMIC_PARAM := '<' IDENT '..'? '>' (string literal)
//! </pre> //! </pre>
//! //!
//! Note that the **route** attribute takes a method as its first argument, //! Note that the **route** attribute takes a method as its first argument,
@ -78,6 +78,16 @@
//! PATH := a path, as defined by Rust //! PATH := a path, as defined by Rust
//! </pre> //! </pre>
//! //!
//! # Debugging Codegen
//!
//! When the `ROCKET_CODEGEN_DEBUG` environment variable is set, this crate logs
//! the items it has generated to the console at compile-time. For example, you
//! might run the following to build a Rocket application with codegen logging
//! enabled:
//!
//! ```
//! ROCKET_CODEGEN_DEBUG=1 cargo build
//! ```
#![crate_type = "dylib"] #![crate_type = "dylib"]
#![feature(quote, concat_idents, plugin_registrar, rustc_private, unicode)] #![feature(quote, concat_idents, plugin_registrar, rustc_private, unicode)]