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
§Sub
tractable 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 VaultFreezeFlags
impl Sub for VaultFreezeFlags
type Output = VaultFreezeFlags
source§impl Sub for PreciseDecimal
impl Sub for PreciseDecimal
type Output = PreciseDecimal
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 EdwardsPoint
impl Sub for EdwardsPoint
type Output = EdwardsPoint
source§impl Sub for RistrettoPoint
impl Sub for RistrettoPoint
type Output = RistrettoPoint
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
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 AffineNielsPoint> for &'a EdwardsPoint
impl<'a, 'b> Sub<&'b AffineNielsPoint> for &'a EdwardsPoint
type Output = CompletedPoint
source§impl<'a, 'b> Sub<&'b ProjectiveNielsPoint> for &'a EdwardsPoint
impl<'a, 'b> Sub<&'b ProjectiveNielsPoint> for &'a EdwardsPoint
type Output = CompletedPoint
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, S> Sub<&HashSet<T, S>> for &scrypto::prelude::radix_engine_common::prelude::hash_set::ext_HashSet<T, S>
impl<T, S> Sub<&HashSet<T, S>> for &scrypto::prelude::radix_engine_common::prelude::hash_set::ext_HashSet<T, S>
source§impl<Ul, Bl, Ur> Sub<Ur> for UInt<Ul, Bl>where
Ul: Unsigned,
Bl: Bit,
Ur: Unsigned,
UInt<Ul, Bl>: PrivateSub<Ur>,
<UInt<Ul, Bl> as PrivateSub<Ur>>::Output: Trim,
impl<Ul, Bl, Ur> Sub<Ur> for UInt<Ul, Bl>where
Ul: Unsigned,
Bl: Bit,
Ur: Unsigned,
UInt<Ul, Bl>: PrivateSub<Ur>,
<UInt<Ul, Bl> as PrivateSub<Ur>>::Output: Trim,
Subtracting unsigned integers. We just do our PrivateSub
and then Trim
the output.