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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 12:47:55 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 12:47:55 +0000
commit2aadc03ef15cb5ca5cc2af8a7c08e070742f0ac4 (patch)
tree033cc839730fda84ff08db877037977be94e5e3a /vendor/deranged/src/traits.rs
parentInitial commit. (diff)
downloadcargo-upstream.tar.xz
cargo-upstream.zip
Adding upstream version 0.70.1+ds1.upstream/0.70.1+ds1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'vendor/deranged/src/traits.rs')
-rw-r--r--vendor/deranged/src/traits.rs117
1 files changed, 117 insertions, 0 deletions
diff --git a/vendor/deranged/src/traits.rs b/vendor/deranged/src/traits.rs
new file mode 100644
index 0000000..d1b69ac
--- /dev/null
+++ b/vendor/deranged/src/traits.rs
@@ -0,0 +1,117 @@
+use crate::{
+ RangedI128, RangedI16, RangedI32, RangedI64, RangedI8, RangedIsize, RangedU128, RangedU16,
+ RangedU32, RangedU64, RangedU8, RangedUsize,
+};
+
+macro_rules! declare_traits {
+ ($($trait_name:ident),* $(,)?) => {$(
+ pub(crate) trait $trait_name {
+ const ASSERT: ();
+ }
+ )*};
+}
+
+macro_rules! impl_traits_for_all {
+ ($($ranged_ty:ident $inner_ty:ident),* $(,)?) => {$(
+ impl<const MIN: $inner_ty, const MAX: $inner_ty> RangeIsValid for $ranged_ty<MIN, MAX> {
+ const ASSERT: () = assert!(MIN <= MAX);
+ }
+
+ impl<
+ const CURRENT_MIN: $inner_ty,
+ const CURRENT_MAX: $inner_ty,
+ const NEW_MIN: $inner_ty,
+ const NEW_MAX: $inner_ty,
+ > ExpandIsValid for ($ranged_ty<CURRENT_MIN, CURRENT_MAX>, $ranged_ty<NEW_MIN, NEW_MAX>) {
+ const ASSERT: () = {
+ assert!(NEW_MIN <= CURRENT_MIN);
+ assert!(NEW_MAX >= CURRENT_MAX);
+ };
+ }
+
+ impl<
+ const CURRENT_MIN: $inner_ty,
+ const CURRENT_MAX: $inner_ty,
+ const NEW_MIN: $inner_ty,
+ const NEW_MAX: $inner_ty,
+ > NarrowIsValid for ($ranged_ty<CURRENT_MIN, CURRENT_MAX>, $ranged_ty<NEW_MIN, NEW_MAX>) {
+ const ASSERT: () = {
+ assert!(NEW_MIN >= CURRENT_MIN);
+ assert!(NEW_MAX <= CURRENT_MAX);
+ };
+ }
+
+ impl<
+ const VALUE: $inner_ty,
+ const MIN: $inner_ty,
+ const MAX: $inner_ty,
+ > StaticIsValid for ($ranged_ty<MIN, VALUE>, $ranged_ty<VALUE, MAX>) {
+ const ASSERT: () = {
+ assert!(VALUE >= MIN);
+ assert!(VALUE <= MAX);
+ };
+ }
+ )*};
+}
+
+macro_rules! impl_traits_for_signed {
+ ($($ranged_ty:ident $inner_ty:ident),* $(,)?) => {$(
+ impl<const MIN: $inner_ty, const MAX: $inner_ty> AbsIsSafe for $ranged_ty<MIN, MAX> {
+ const ASSERT: () = {
+ assert!(MIN != <$inner_ty>::MIN);
+ assert!(-MIN <= MAX);
+ };
+ }
+
+ impl<const MIN: $inner_ty, const MAX: $inner_ty> NegIsSafe for $ranged_ty<MIN, MAX> {
+ const ASSERT: () = {
+ assert!(MIN != <$inner_ty>::MIN);
+ assert!(-MIN <= MAX);
+ assert!(-MAX >= MIN);
+ };
+ }
+
+ impl_traits_for_all!($ranged_ty $inner_ty);
+ )*};
+}
+
+macro_rules! impl_traits_for_unsigned {
+ ($($ranged_ty:ident $inner_ty:ident),* $(,)?) => {$(
+ impl<const MIN: $inner_ty, const MAX: $inner_ty> AbsIsSafe for $ranged_ty<MIN, MAX> {
+ const ASSERT: () = ();
+ }
+
+ impl<const MIN: $inner_ty, const MAX: $inner_ty> NegIsSafe for $ranged_ty<MIN, MAX> {
+ const ASSERT: () = assert!(MAX == 0);
+ }
+
+ impl_traits_for_all!($ranged_ty $inner_ty);
+ )*};
+}
+
+declare_traits![
+ RangeIsValid,
+ AbsIsSafe,
+ NegIsSafe,
+ ExpandIsValid,
+ NarrowIsValid,
+ StaticIsValid,
+];
+
+impl_traits_for_signed! {
+ RangedI8 i8,
+ RangedI16 i16,
+ RangedI32 i32,
+ RangedI64 i64,
+ RangedI128 i128,
+ RangedIsize isize,
+}
+
+impl_traits_for_unsigned! {
+ RangedU8 u8,
+ RangedU16 u16,
+ RangedU32 u32,
+ RangedU64 u64,
+ RangedU128 u128,
+ RangedUsize usize,
+}