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| author | GnomedDev <david2005thomas@gmail.com> | 2024-10-27 21:20:47 +0000 |
|---|---|---|
| committer | GnomedDev <david2005thomas@gmail.com> | 2024-11-01 11:06:54 +0000 |
| commit | 012e30622c45d2757fefda1225237c98f034abeb (patch) | |
| tree | 6cf3ddfaa5eeee8dcedef2a34607953d887d2787 | |
| parent | 12ca3630fce5724bac5666a48af2018f30446a04 (diff) | |
| download | rust-012e30622c45d2757fefda1225237c98f034abeb.tar.gz rust-012e30622c45d2757fefda1225237c98f034abeb.zip | |
Explain why clippy's HIR const eval exists
| -rw-r--r-- | clippy_utils/src/consts.rs | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/clippy_utils/src/consts.rs b/clippy_utils/src/consts.rs index a1cfb7be647..0dbc7972fe9 100644 --- a/clippy_utils/src/consts.rs +++ b/clippy_utils/src/consts.rs @@ -1,3 +1,7 @@ +//! A simple const eval API, for use on arbitrary HIR expressions. +//! +//! This cannot use rustc's const eval, aka miri, as arbitrary HIR expressions cannot be lowered to +//! executable MIR bodies, so we have to do this instead. #![allow(clippy::float_cmp)] use crate::macros::HirNode; @@ -379,6 +383,8 @@ impl Ord for FullInt { /// The context required to evaluate a constant expression. /// /// This is currently limited to constant folding and reading the value of named constants. +/// +/// See the module level documentation for some context. pub struct ConstEvalCtxt<'tcx> { tcx: TyCtxt<'tcx>, param_env: ParamEnv<'tcx>, |