pub trait Sub<Rhs = Self> {
type Output;
// Required method
fn sub(self, rhs: Rhs) -> Self::Output;
}Expand description
The subtraction operator -.
Note that Rhs is Self by default, but this is not mandatory. For
example, std::time::SystemTime implements Sub<Duration>, which permits
operations of the form SystemTime = SystemTime - Duration.
§Examples
§Subtractable points
use std::ops::Sub;
#[derive(Debug, Copy, Clone, PartialEq)]
struct Point {
x: i32,
y: i32,
}
impl Sub for Point {
type Output = Self;
fn sub(self, other: Self) -> Self::Output {
Self {
x: self.x - other.x,
y: self.y - other.y,
}
}
}
assert_eq!(Point { x: 3, y: 3 } - Point { x: 2, y: 3 },
Point { x: 1, y: 0 });§Implementing Sub with generics
Here is an example of the same Point struct implementing the Sub trait
using generics.
use std::ops::Sub;
#[derive(Debug, PartialEq)]
struct Point<T> {
x: T,
y: T,
}
// Notice that the implementation uses the associated type `Output`.
impl<T: Sub<Output = T>> Sub for Point<T> {
type Output = Self;
fn sub(self, other: Self) -> Self::Output {
Point {
x: self.x - other.x,
y: self.y - other.y,
}
}
}
assert_eq!(Point { x: 2, y: 3 } - Point { x: 1, y: 0 },
Point { x: 1, y: 3 });Required Associated Types§
Required Methods§
Implementors§
source§impl Sub for EventFlags
impl Sub for EventFlags
type Output = EventFlags
source§impl Sub for EnabledModules
impl Sub for EnabledModules
type Output = EnabledModules
source§impl Sub for PreciseDecimal
impl Sub for PreciseDecimal
type Output = PreciseDecimal
source§impl Sub for VaultFreezeFlags
impl Sub for VaultFreezeFlags
type Output = VaultFreezeFlags
1.74.0 · source§impl Sub for Saturating<i8>
impl Sub for Saturating<i8>
type Output = Saturating<i8>
1.74.0 · source§impl Sub for Saturating<i16>
impl Sub for Saturating<i16>
type Output = Saturating<i16>
1.74.0 · source§impl Sub for Saturating<i32>
impl Sub for Saturating<i32>
type Output = Saturating<i32>
1.74.0 · source§impl Sub for Saturating<i64>
impl Sub for Saturating<i64>
type Output = Saturating<i64>
1.74.0 · source§impl Sub for Saturating<i128>
impl Sub for Saturating<i128>
type Output = Saturating<i128>
1.74.0 · source§impl Sub for Saturating<isize>
impl Sub for Saturating<isize>
type Output = Saturating<isize>
1.74.0 · source§impl Sub for Saturating<u8>
impl Sub for Saturating<u8>
type Output = Saturating<u8>
1.74.0 · source§impl Sub for Saturating<u16>
impl Sub for Saturating<u16>
type Output = Saturating<u16>
1.74.0 · source§impl Sub for Saturating<u32>
impl Sub for Saturating<u32>
type Output = Saturating<u32>
1.74.0 · source§impl Sub for Saturating<u64>
impl Sub for Saturating<u64>
type Output = Saturating<u64>
1.74.0 · source§impl Sub for Saturating<u128>
impl Sub for Saturating<u128>
type Output = Saturating<u128>
1.74.0 · source§impl Sub for Saturating<usize>
impl Sub for Saturating<usize>
type Output = Saturating<usize>
source§impl Sub for Effects
impl Sub for Effects
§Examples
let effects = (anstyle::Effects::BOLD | anstyle::Effects::UNDERLINE) - anstyle::Effects::BOLD;
assert_eq!(format!("{:?}", effects), "Effects(UNDERLINE)");source§impl Sub for EdwardsPoint
impl Sub for EdwardsPoint
type Output = EdwardsPoint
source§impl Sub for RistrettoPoint
impl Sub for RistrettoPoint
type Output = RistrettoPoint
source§impl Sub for CreateFlags
impl Sub for CreateFlags
type Output = CreateFlags
source§impl Sub for WatchFlags
impl Sub for WatchFlags
type Output = WatchFlags
source§impl Sub for FallocateFlags
impl Sub for FallocateFlags
type Output = FallocateFlags
source§impl Sub for MemfdFlags
impl Sub for MemfdFlags
type Output = MemfdFlags
source§impl Sub for RenameFlags
impl Sub for RenameFlags
type Output = RenameFlags
source§impl Sub for ResolveFlags
impl Sub for ResolveFlags
type Output = ResolveFlags
source§impl Sub for StatVfsMountFlags
impl Sub for StatVfsMountFlags
type Output = StatVfsMountFlags
source§impl Sub for StatxFlags
impl Sub for StatxFlags
type Output = StatxFlags
source§impl Sub for ReadWriteFlags
impl Sub for ReadWriteFlags
type Output = ReadWriteFlags
source§impl Sub for MountFlags
impl Sub for MountFlags
type Output = MountFlags
source§impl Sub for MountPropagationFlags
impl Sub for MountPropagationFlags
type Output = MountPropagationFlags
source§impl Sub for UnmountFlags
impl Sub for UnmountFlags
type Output = UnmountFlags
source§impl Sub for XattrFlags
impl Sub for XattrFlags
type Output = XattrFlags
1.74.0 · source§impl Sub<&Saturating<i8>> for &Saturating<i8>
impl Sub<&Saturating<i8>> for &Saturating<i8>
1.74.0 · source§impl Sub<&Saturating<i8>> for Saturating<i8>
impl Sub<&Saturating<i8>> for Saturating<i8>
1.74.0 · source§impl Sub<&Saturating<i16>> for &Saturating<i16>
impl Sub<&Saturating<i16>> for &Saturating<i16>
1.74.0 · source§impl Sub<&Saturating<i16>> for Saturating<i16>
impl Sub<&Saturating<i16>> for Saturating<i16>
1.74.0 · source§impl Sub<&Saturating<i32>> for &Saturating<i32>
impl Sub<&Saturating<i32>> for &Saturating<i32>
1.74.0 · source§impl Sub<&Saturating<i32>> for Saturating<i32>
impl Sub<&Saturating<i32>> for Saturating<i32>
1.74.0 · source§impl Sub<&Saturating<i64>> for &Saturating<i64>
impl Sub<&Saturating<i64>> for &Saturating<i64>
1.74.0 · source§impl Sub<&Saturating<i64>> for Saturating<i64>
impl Sub<&Saturating<i64>> for Saturating<i64>
1.74.0 · source§impl Sub<&Saturating<i128>> for &Saturating<i128>
impl Sub<&Saturating<i128>> for &Saturating<i128>
1.74.0 · source§impl Sub<&Saturating<i128>> for Saturating<i128>
impl Sub<&Saturating<i128>> for Saturating<i128>
1.74.0 · source§impl Sub<&Saturating<isize>> for &Saturating<isize>
impl Sub<&Saturating<isize>> for &Saturating<isize>
1.74.0 · source§impl Sub<&Saturating<isize>> for Saturating<isize>
impl Sub<&Saturating<isize>> for Saturating<isize>
1.74.0 · source§impl Sub<&Saturating<u8>> for &Saturating<u8>
impl Sub<&Saturating<u8>> for &Saturating<u8>
1.74.0 · source§impl Sub<&Saturating<u8>> for Saturating<u8>
impl Sub<&Saturating<u8>> for Saturating<u8>
1.74.0 · source§impl Sub<&Saturating<u16>> for &Saturating<u16>
impl Sub<&Saturating<u16>> for &Saturating<u16>
1.74.0 · source§impl Sub<&Saturating<u16>> for Saturating<u16>
impl Sub<&Saturating<u16>> for Saturating<u16>
1.74.0 · source§impl Sub<&Saturating<u32>> for &Saturating<u32>
impl Sub<&Saturating<u32>> for &Saturating<u32>
1.74.0 · source§impl Sub<&Saturating<u32>> for Saturating<u32>
impl Sub<&Saturating<u32>> for Saturating<u32>
1.74.0 · source§impl Sub<&Saturating<u64>> for &Saturating<u64>
impl Sub<&Saturating<u64>> for &Saturating<u64>
1.74.0 · source§impl Sub<&Saturating<u64>> for Saturating<u64>
impl Sub<&Saturating<u64>> for Saturating<u64>
1.74.0 · source§impl Sub<&Saturating<u128>> for &Saturating<u128>
impl Sub<&Saturating<u128>> for &Saturating<u128>
1.74.0 · source§impl Sub<&Saturating<u128>> for Saturating<u128>
impl Sub<&Saturating<u128>> for Saturating<u128>
1.74.0 · source§impl Sub<&Saturating<usize>> for &Saturating<usize>
impl Sub<&Saturating<usize>> for &Saturating<usize>
1.74.0 · source§impl Sub<&Saturating<usize>> for Saturating<usize>
impl Sub<&Saturating<usize>> for Saturating<usize>
source§impl Sub<i8> for PreciseDecimal
impl Sub<i8> for PreciseDecimal
type Output = PreciseDecimal
source§impl Sub<i16> for PreciseDecimal
impl Sub<i16> for PreciseDecimal
type Output = PreciseDecimal
source§impl Sub<i32> for PreciseDecimal
impl Sub<i32> for PreciseDecimal
type Output = PreciseDecimal
source§impl Sub<i64> for PreciseDecimal
impl Sub<i64> for PreciseDecimal
type Output = PreciseDecimal
source§impl Sub<i128> for PreciseDecimal
impl Sub<i128> for PreciseDecimal
type Output = PreciseDecimal
source§impl Sub<isize> for PreciseDecimal
impl Sub<isize> for PreciseDecimal
type Output = PreciseDecimal
source§impl Sub<u8> for PreciseDecimal
impl Sub<u8> for PreciseDecimal
type Output = PreciseDecimal
source§impl Sub<u16> for PreciseDecimal
impl Sub<u16> for PreciseDecimal
type Output = PreciseDecimal
source§impl Sub<u32> for PreciseDecimal
impl Sub<u32> for PreciseDecimal
type Output = PreciseDecimal
source§impl Sub<u64> for PreciseDecimal
impl Sub<u64> for PreciseDecimal
type Output = PreciseDecimal
source§impl Sub<u128> for PreciseDecimal
impl Sub<u128> for PreciseDecimal
type Output = PreciseDecimal
source§impl Sub<usize> for PreciseDecimal
impl Sub<usize> for PreciseDecimal
type Output = PreciseDecimal
source§impl Sub<Decimal> for PreciseDecimal
impl Sub<Decimal> for PreciseDecimal
type Output = PreciseDecimal
source§impl Sub<I192> for PreciseDecimal
impl Sub<I192> for PreciseDecimal
type Output = PreciseDecimal
source§impl Sub<I256> for PreciseDecimal
impl Sub<I256> for PreciseDecimal
type Output = PreciseDecimal
source§impl Sub<I320> for PreciseDecimal
impl Sub<I320> for PreciseDecimal
type Output = PreciseDecimal
source§impl Sub<I448> for PreciseDecimal
impl Sub<I448> for PreciseDecimal
type Output = PreciseDecimal
source§impl Sub<I512> for PreciseDecimal
impl Sub<I512> for PreciseDecimal
type Output = PreciseDecimal
source§impl Sub<PreciseDecimal> for i8
impl Sub<PreciseDecimal> for i8
type Output = PreciseDecimal
source§impl Sub<PreciseDecimal> for i16
impl Sub<PreciseDecimal> for i16
type Output = PreciseDecimal
source§impl Sub<PreciseDecimal> for i32
impl Sub<PreciseDecimal> for i32
type Output = PreciseDecimal
source§impl Sub<PreciseDecimal> for i64
impl Sub<PreciseDecimal> for i64
type Output = PreciseDecimal
source§impl Sub<PreciseDecimal> for i128
impl Sub<PreciseDecimal> for i128
type Output = PreciseDecimal
source§impl Sub<PreciseDecimal> for isize
impl Sub<PreciseDecimal> for isize
type Output = PreciseDecimal
source§impl Sub<PreciseDecimal> for u8
impl Sub<PreciseDecimal> for u8
type Output = PreciseDecimal
source§impl Sub<PreciseDecimal> for u16
impl Sub<PreciseDecimal> for u16
type Output = PreciseDecimal
source§impl Sub<PreciseDecimal> for u32
impl Sub<PreciseDecimal> for u32
type Output = PreciseDecimal
source§impl Sub<PreciseDecimal> for u64
impl Sub<PreciseDecimal> for u64
type Output = PreciseDecimal
source§impl Sub<PreciseDecimal> for u128
impl Sub<PreciseDecimal> for u128
type Output = PreciseDecimal
source§impl Sub<PreciseDecimal> for usize
impl Sub<PreciseDecimal> for usize
type Output = PreciseDecimal
source§impl Sub<PreciseDecimal> for Decimal
impl Sub<PreciseDecimal> for Decimal
type Output = PreciseDecimal
source§impl Sub<PreciseDecimal> for I192
impl Sub<PreciseDecimal> for I192
type Output = PreciseDecimal
source§impl Sub<PreciseDecimal> for I256
impl Sub<PreciseDecimal> for I256
type Output = PreciseDecimal
source§impl Sub<PreciseDecimal> for I320
impl Sub<PreciseDecimal> for I320
type Output = PreciseDecimal
source§impl Sub<PreciseDecimal> for I448
impl Sub<PreciseDecimal> for I448
type Output = PreciseDecimal
source§impl Sub<PreciseDecimal> for I512
impl Sub<PreciseDecimal> for I512
type Output = PreciseDecimal
source§impl Sub<PreciseDecimal> for U192
impl Sub<PreciseDecimal> for U192
type Output = PreciseDecimal
source§impl Sub<PreciseDecimal> for U256
impl Sub<PreciseDecimal> for U256
type Output = PreciseDecimal
source§impl Sub<PreciseDecimal> for U320
impl Sub<PreciseDecimal> for U320
type Output = PreciseDecimal
source§impl Sub<PreciseDecimal> for U448
impl Sub<PreciseDecimal> for U448
type Output = PreciseDecimal
source§impl Sub<PreciseDecimal> for U512
impl Sub<PreciseDecimal> for U512
type Output = PreciseDecimal
source§impl Sub<U192> for PreciseDecimal
impl Sub<U192> for PreciseDecimal
type Output = PreciseDecimal
source§impl Sub<U256> for PreciseDecimal
impl Sub<U256> for PreciseDecimal
type Output = PreciseDecimal
source§impl Sub<U320> for PreciseDecimal
impl Sub<U320> for PreciseDecimal
type Output = PreciseDecimal
source§impl Sub<U448> for PreciseDecimal
impl Sub<U448> for PreciseDecimal
type Output = PreciseDecimal
source§impl Sub<U512> for PreciseDecimal
impl Sub<U512> for PreciseDecimal
type Output = PreciseDecimal
1.8.0 · source§impl Sub<Duration> for SystemTime
impl Sub<Duration> for SystemTime
type Output = SystemTime
source§impl Sub<Effects> for Style
impl Sub<Effects> for Style
§Examples
let style = anstyle::Style::new().bold().underline() - anstyle::Effects::BOLD.into();1.74.0 · source§impl<'a> Sub<Saturating<i8>> for &'a Saturating<i8>
impl<'a> Sub<Saturating<i8>> for &'a Saturating<i8>
1.74.0 · source§impl<'a> Sub<Saturating<i16>> for &'a Saturating<i16>
impl<'a> Sub<Saturating<i16>> for &'a Saturating<i16>
1.74.0 · source§impl<'a> Sub<Saturating<i32>> for &'a Saturating<i32>
impl<'a> Sub<Saturating<i32>> for &'a Saturating<i32>
1.74.0 · source§impl<'a> Sub<Saturating<i64>> for &'a Saturating<i64>
impl<'a> Sub<Saturating<i64>> for &'a Saturating<i64>
1.74.0 · source§impl<'a> Sub<Saturating<i128>> for &'a Saturating<i128>
impl<'a> Sub<Saturating<i128>> for &'a Saturating<i128>
1.74.0 · source§impl<'a> Sub<Saturating<isize>> for &'a Saturating<isize>
impl<'a> Sub<Saturating<isize>> for &'a Saturating<isize>
1.74.0 · source§impl<'a> Sub<Saturating<u8>> for &'a Saturating<u8>
impl<'a> Sub<Saturating<u8>> for &'a Saturating<u8>
1.74.0 · source§impl<'a> Sub<Saturating<u16>> for &'a Saturating<u16>
impl<'a> Sub<Saturating<u16>> for &'a Saturating<u16>
1.74.0 · source§impl<'a> Sub<Saturating<u32>> for &'a Saturating<u32>
impl<'a> Sub<Saturating<u32>> for &'a Saturating<u32>
1.74.0 · source§impl<'a> Sub<Saturating<u64>> for &'a Saturating<u64>
impl<'a> Sub<Saturating<u64>> for &'a Saturating<u64>
1.74.0 · source§impl<'a> Sub<Saturating<u128>> for &'a Saturating<u128>
impl<'a> Sub<Saturating<u128>> for &'a Saturating<u128>
1.74.0 · source§impl<'a> Sub<Saturating<usize>> for &'a Saturating<usize>
impl<'a> Sub<Saturating<usize>> for &'a Saturating<usize>
source§impl<'a> Sub<EdwardsPoint> for &'a EdwardsPoint
impl<'a> Sub<EdwardsPoint> for &'a EdwardsPoint
type Output = EdwardsPoint
source§impl<'a> Sub<RistrettoPoint> for &'a RistrettoPoint
impl<'a> Sub<RistrettoPoint> for &'a RistrettoPoint
type Output = RistrettoPoint
source§impl<'a, 'b> Sub<&'b EdwardsPoint> for &'a EdwardsPoint
impl<'a, 'b> Sub<&'b EdwardsPoint> for &'a EdwardsPoint
type Output = EdwardsPoint
source§impl<'a, 'b> Sub<&'b RistrettoPoint> for &'a RistrettoPoint
impl<'a, 'b> Sub<&'b RistrettoPoint> for &'a RistrettoPoint
type Output = RistrettoPoint
source§impl<'b> Sub<&'b EdwardsPoint> for EdwardsPoint
impl<'b> Sub<&'b EdwardsPoint> for EdwardsPoint
type Output = EdwardsPoint
source§impl<'b> Sub<&'b RistrettoPoint> for RistrettoPoint
impl<'b> Sub<&'b RistrettoPoint> for RistrettoPoint
type Output = RistrettoPoint
source§impl<T, S1, S2> Sub<&IndexSet<T, S2>> for &scrypto_test::prelude::rust::prelude::index_map::indexmap::IndexSet<T, S1>
impl<T, S1, S2> Sub<&IndexSet<T, S2>> for &scrypto_test::prelude::rust::prelude::index_map::indexmap::IndexSet<T, S1>
1.0.0 · source§impl<T, S> Sub<&HashSet<T, S>> for &scrypto_test::prelude::rust::prelude::hash_set::ext_HashSet<T, S>
impl<T, S> Sub<&HashSet<T, S>> for &scrypto_test::prelude::rust::prelude::hash_set::ext_HashSet<T, S>
source§impl<Ul, Bl, Ur> Sub<Ur> for UInt<Ul, Bl>
impl<Ul, Bl, Ur> Sub<Ur> for UInt<Ul, Bl>
Subtracting unsigned integers. We just do our PrivateSub and then Trim the output.