21 lines
753 B
Rust
21 lines
753 B
Rust
|
// compile-flags:--test
|
||
|
|
|
||
|
|
// comments, both doc comments and regular ones, used to trick rustdoc's doctest parser into
|
||
|
|
// thinking that everything after it was part of the regular program. combined with the libsyntax
|
||
|
|
// parser loop failing to detect the manual main function, it would wrap everything in `fn main`,
|
||
|
|
// which would cause the doctest to fail as the "extern crate" declaration was no longer valid.
|
||
|
|
// oddly enough, it would pass in 2018 if a crate was in the extern prelude. see
|
||
|
|
// https://github.com/rust-lang/rust/issues/56727
|
||
|
|
|
||
|
|
//! ```
|
||
|
|
//! // crate: proc-macro-test
|
||
|
|
//! //! this is a test
|
||
|
|
//!
|
||
|
|
//! // used to pull in proc-macro specific items
|
||
|
|
//! extern crate proc_macro;
|
||
|
|
//!
|
||
|
|
//! use proc_macro::TokenStream;
|
||
|
|
//!
|
||
|
|
//! # fn main() {}
|
||
|
|
//! ```
|