diff options
| -rw-r--r-- | compiler/rustc_session/src/config.rs | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/compiler/rustc_session/src/config.rs b/compiler/rustc_session/src/config.rs index a87e820386e..1ccfc59f7a9 100644 --- a/compiler/rustc_session/src/config.rs +++ b/compiler/rustc_session/src/config.rs @@ -35,6 +35,7 @@ use std::hash::Hash; use std::iter; use std::path::{Path, PathBuf}; use std::str::{self, FromStr}; +use std::sync::LazyLock; pub mod sigpipe; @@ -1322,7 +1323,12 @@ mod opt { unstable(longer(a, b), move |opts| opts.optmulti(a, b, c, d)) } } - +static EDITION_STRING: LazyLock<String> = LazyLock::new(|| { + format!( + "Specify which edition of the compiler to use when compiling code. \ +The default is {DEFAULT_EDITION} and the latest stable edition is {LATEST_STABLE_EDITION}." + ) +}); /// Returns the "short" subset of the rustc command line options, /// including metadata for each option, such as whether the option is /// part of the stable long-term interface for rustc. @@ -1355,7 +1361,7 @@ pub fn rustc_short_optgroups() -> Vec<RustcOptGroup> { opt::opt_s( "", "edition", - "Specify which edition of the compiler to use when compiling code.", + &*EDITION_STRING, EDITION_NAME_LIST, ), opt::multi_s( |