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Implement DepTrackingHash for Option through blanket impls instead of macros

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This avoids having to add a new macro call for both the `Option` and the
type itself.
This commit is contained in:
Joshua Nelson 2021-04-15 19:36:25 -04:00
parent c4c2ab57a4
commit 76502deb53
1 changed files with 22 additions and 20 deletions
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42
compiler/rustc_session/src/config.rs
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@ -2427,30 +2427,32 @@ crate mod dep_tracking {
)+};
}
impl<T: DepTrackingHash> DepTrackingHash for Option<T> {
fn hash(&self, hasher: &mut DefaultHasher, error_format: ErrorOutputType) {
match self {
Some(x) => {
Hash::hash(&1, hasher);
DepTrackingHash::hash(x, hasher, error_format);
}
None => Hash::hash(&0, hasher),
}
}
}
impl_dep_tracking_hash_via_hash!(
bool,
usize,
NonZeroUsize,
u64,
String,
PathBuf,
lint::Level,
Option<bool>,
Option<u32>,
Option<usize>,
Option<NonZeroUsize>,
Option<String>,
Option<(String, u64)>,
Option<Vec<String>>,
Option<MergeFunctions>,
Option<RelocModel>,
Option<CodeModel>,
Option<TlsModel>,
Option<WasiExecModel>,
Option<PanicStrategy>,
Option<RelroLevel>,
Option<InstrumentCoverage>,
Option<lint::Level>,
Option<PathBuf>,
WasiExecModel,
u32,
RelocModel,
CodeModel,
TlsModel,
InstrumentCoverage,
CrateType,
MergeFunctions,
PanicStrategy,
@ -2468,10 +2470,10 @@ crate mod dep_tracking {
TargetTriple,
Edition,
LinkerPluginLto,
Option<SplitDebuginfo>,
SplitDebuginfo,
SwitchWithOptPath,
Option<SymbolManglingVersion>,
Option<SourceFileHashAlgorithm>,
SymbolManglingVersion,
SourceFileHashAlgorithm,
TrimmedDefPaths,
);