Trait SubAssign

1.8.0 · Source
pub trait SubAssign<Rhs = Self> {
    // Required method
    fn sub_assign(&mut self, rhs: Rhs);
}
Expand description

The subtraction assignment operator -=.

§Examples

This example creates a Point struct that implements the SubAssign trait, and then demonstrates sub-assigning to a mutable Point.

use std::ops::SubAssign;

#[derive(Debug, Copy, Clone, PartialEq)]
struct Point {
    x: i32,
    y: i32,
}

impl SubAssign for Point {
    fn sub_assign(&mut self, other: Self) {
        *self = Self {
            x: self.x - other.x,
            y: self.y - other.y,
        };
    }
}

let mut point = Point { x: 3, y: 3 };
point -= Point { x: 2, y: 3 };
assert_eq!(point, Point {x: 1, y: 0});

Required Methods§

1.8.0 · Source

fn sub_assign(&mut self, rhs: Rhs)

Performs the -= operation.

§Example
let mut x: u32 = 12;
x -= 1;
assert_eq!(x, 11);

Implementors§

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impl SubAssign for f16

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impl SubAssign for f32

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impl SubAssign for f64

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impl SubAssign for f128

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impl SubAssign for i8

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impl SubAssign for i16

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impl SubAssign for i32

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impl SubAssign for i64

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impl SubAssign for i128

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impl SubAssign for isize

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impl SubAssign for u8

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impl SubAssign for u16

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impl SubAssign for u32

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impl SubAssign for u64

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impl SubAssign for u128

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impl SubAssign for usize

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impl SubAssign for Saturating<i8>

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impl SubAssign for Saturating<i16>

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impl SubAssign for Saturating<i32>

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impl SubAssign for Saturating<i64>

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impl SubAssign for Saturating<i128>

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impl SubAssign for Saturating<isize>

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impl SubAssign for Saturating<u8>

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impl SubAssign for Saturating<u16>

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impl SubAssign for Saturating<u32>

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impl SubAssign for Saturating<u64>

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impl SubAssign for Saturating<u128>

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impl SubAssign for Saturating<usize>

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impl SubAssign for Wrapping<i8>

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impl SubAssign for Wrapping<i16>

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impl SubAssign for Wrapping<i32>

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impl SubAssign for Wrapping<i64>

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impl SubAssign for Wrapping<i128>

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impl SubAssign for Wrapping<isize>

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impl SubAssign for Wrapping<u8>

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impl SubAssign for Wrapping<u16>

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impl SubAssign for Wrapping<u32>

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impl SubAssign for Wrapping<u64>

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impl SubAssign for Wrapping<u128>

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impl SubAssign for Wrapping<usize>

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impl SubAssign for Duration

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impl SubAssign for Effects

§Examples

let mut effects = anstyle::Effects::BOLD | anstyle::Effects::UNDERLINE;
effects -= anstyle::Effects::BOLD;
assert_eq!(format!("{:?}", effects), "Effects(UNDERLINE)");
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impl SubAssign for EdwardsPoint

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impl SubAssign for RistrettoPoint

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impl SubAssign for Scalar

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impl SubAssign for VMCodeMetadata

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impl SubAssign for drt_chain_vm::types::vm_dcdt_local_role_flags::DcdtLocalRoleFlags

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impl SubAssign for CipherCtxFlags

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impl SubAssign for CMSOptions

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impl SubAssign for OcspFlag

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impl SubAssign for Pkcs7Flags

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impl SubAssign for ExtensionContext

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impl SubAssign for ShutdownState

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impl SubAssign for SslMode

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impl SubAssign for SslOptions

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impl SubAssign for SslSessionCacheMode

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impl SubAssign for SslVerifyMode

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impl SubAssign for X509CheckFlags

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impl SubAssign for X509VerifyFlags

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impl SubAssign for WasmFeatures

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impl SubAssign for SegmentFlags

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impl SubAssign for SymbolFlags

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impl SubAssign for CodeMetadata

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impl SubAssign for drt_sc_snippets::imports::DcdtLocalRoleFlags

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impl SubAssign for drt_sc_snippets::imports::RustBigInt

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impl SubAssign for drt_sc_snippets::imports::RustBigUint

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impl SubAssign<&f16> for f16

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impl SubAssign<&f32> for f32

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impl SubAssign<&f64> for f64

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impl SubAssign<&f128> for f128

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impl SubAssign<&i8> for i8

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impl SubAssign<&i8> for Saturating<i8>

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impl SubAssign<&i8> for Wrapping<i8>

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impl SubAssign<&i16> for i16

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impl SubAssign<&i16> for Saturating<i16>

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impl SubAssign<&i16> for Wrapping<i16>

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impl SubAssign<&i32> for i32

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impl SubAssign<&i32> for Saturating<i32>

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impl SubAssign<&i32> for Wrapping<i32>

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impl SubAssign<&i64> for i64

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impl SubAssign<&i64> for Saturating<i64>

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impl SubAssign<&i64> for Wrapping<i64>

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impl SubAssign<&i128> for i128

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impl SubAssign<&i128> for Saturating<i128>

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impl SubAssign<&i128> for Wrapping<i128>

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impl SubAssign<&isize> for isize

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impl SubAssign<&isize> for Saturating<isize>

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impl SubAssign<&isize> for Wrapping<isize>

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impl SubAssign<&u8> for u8

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impl SubAssign<&u8> for Saturating<u8>

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impl SubAssign<&u8> for Wrapping<u8>

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impl SubAssign<&u16> for u16

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impl SubAssign<&u16> for Saturating<u16>

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impl SubAssign<&u16> for Wrapping<u16>

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impl SubAssign<&u32> for u32

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impl SubAssign<&u32> for Saturating<u32>

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impl SubAssign<&u32> for Wrapping<u32>

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impl SubAssign<&u64> for u64

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impl SubAssign<&u64> for Saturating<u64>

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impl SubAssign<&u64> for Wrapping<u64>

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impl SubAssign<&u128> for u128

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impl SubAssign<&u128> for Saturating<u128>

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impl SubAssign<&u128> for Wrapping<u128>

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impl SubAssign<&usize> for usize

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impl SubAssign<&usize> for Saturating<usize>

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impl SubAssign<&usize> for Wrapping<usize>

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impl SubAssign<&Saturating<i8>> for Saturating<i8>

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impl SubAssign<&Saturating<i16>> for Saturating<i16>

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impl SubAssign<&Saturating<i32>> for Saturating<i32>

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impl SubAssign<&Saturating<i64>> for Saturating<i64>

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impl SubAssign<&Saturating<i128>> for Saturating<i128>

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impl SubAssign<&Saturating<isize>> for Saturating<isize>

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impl SubAssign<&Saturating<u8>> for Saturating<u8>

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impl SubAssign<&Saturating<u16>> for Saturating<u16>

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impl SubAssign<&Saturating<u32>> for Saturating<u32>

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impl SubAssign<&Saturating<u64>> for Saturating<u64>

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impl SubAssign<&Saturating<u128>> for Saturating<u128>

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impl SubAssign<&Saturating<usize>> for Saturating<usize>

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impl SubAssign<&Wrapping<i8>> for Wrapping<i8>

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impl SubAssign<&Wrapping<i16>> for Wrapping<i16>

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impl SubAssign<&Wrapping<i32>> for Wrapping<i32>

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impl SubAssign<&Wrapping<i64>> for Wrapping<i64>

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impl SubAssign<&Wrapping<i128>> for Wrapping<i128>

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impl SubAssign<&Wrapping<isize>> for Wrapping<isize>

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impl SubAssign<&Wrapping<u8>> for Wrapping<u8>

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impl SubAssign<&Wrapping<u16>> for Wrapping<u16>

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impl SubAssign<&Wrapping<u32>> for Wrapping<u32>

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impl SubAssign<&Wrapping<u64>> for Wrapping<u64>

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impl SubAssign<&Wrapping<u128>> for Wrapping<u128>

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impl SubAssign<&Wrapping<usize>> for Wrapping<usize>

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impl SubAssign<&BigInt> for drt_sc_snippets::imports::RustBigInt

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impl SubAssign<&BigUint> for drt_sc_snippets::imports::RustBigUint

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impl SubAssign<i8> for Saturating<i8>

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impl SubAssign<i8> for Wrapping<i8>

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impl SubAssign<i8> for drt_sc_snippets::imports::RustBigInt

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impl SubAssign<i16> for Saturating<i16>

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impl SubAssign<i16> for Wrapping<i16>

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impl SubAssign<i16> for drt_sc_snippets::imports::RustBigInt

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impl SubAssign<i32> for Saturating<i32>

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impl SubAssign<i32> for Wrapping<i32>

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impl SubAssign<i32> for drt_sc_snippets::imports::RustBigInt

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impl SubAssign<i64> for Saturating<i64>

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impl SubAssign<i64> for Wrapping<i64>

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impl SubAssign<i64> for drt_sc_snippets::imports::RustBigInt

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impl SubAssign<i128> for Saturating<i128>

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impl SubAssign<i128> for Wrapping<i128>

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impl SubAssign<i128> for drt_sc_snippets::imports::RustBigInt

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impl SubAssign<isize> for Saturating<isize>

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impl SubAssign<isize> for Wrapping<isize>

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impl SubAssign<isize> for drt_sc_snippets::imports::RustBigInt

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impl SubAssign<u8> for Saturating<u8>

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impl SubAssign<u8> for Wrapping<u8>

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impl SubAssign<u8> for drt_sc_snippets::imports::RustBigInt

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impl SubAssign<u8> for drt_sc_snippets::imports::RustBigUint

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impl SubAssign<u16> for Saturating<u16>

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impl SubAssign<u16> for Wrapping<u16>

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impl SubAssign<u16> for drt_sc_snippets::imports::RustBigInt

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impl SubAssign<u16> for drt_sc_snippets::imports::RustBigUint

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impl SubAssign<u32> for Saturating<u32>

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impl SubAssign<u32> for Wrapping<u32>

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impl SubAssign<u32> for drt_sc_snippets::imports::RustBigInt

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impl SubAssign<u32> for drt_sc_snippets::imports::RustBigUint

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impl SubAssign<u64> for Saturating<u64>

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impl SubAssign<u64> for Wrapping<u64>

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impl SubAssign<u64> for drt_sc_snippets::imports::RustBigInt

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impl SubAssign<u64> for drt_sc_snippets::imports::RustBigUint

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impl SubAssign<u128> for Saturating<u128>

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impl SubAssign<u128> for Wrapping<u128>

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impl SubAssign<u128> for drt_sc_snippets::imports::RustBigInt

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impl SubAssign<u128> for drt_sc_snippets::imports::RustBigUint

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impl SubAssign<usize> for Saturating<usize>

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impl SubAssign<usize> for Wrapping<usize>

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impl SubAssign<usize> for drt_sc_snippets::imports::RustBigInt

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impl SubAssign<usize> for drt_sc_snippets::imports::RustBigUint

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impl SubAssign<Duration> for std::time::Instant

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impl SubAssign<Duration> for SystemTime

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impl SubAssign<Duration> for tokio::time::instant::Instant

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impl SubAssign<Effects> for Style

§Examples

let mut style = anstyle::Style::new().bold().underline();
style -= anstyle::Effects::BOLD.into();
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impl<'b> SubAssign<&'b EdwardsPoint> for EdwardsPoint

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impl<'b> SubAssign<&'b RistrettoPoint> for RistrettoPoint

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impl<'b> SubAssign<&'b Scalar> for Scalar

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impl<M> SubAssign for BigFloat<M>
where M: ManagedTypeApi,

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impl<M> SubAssign for drt_sc_snippets::imports::BigInt<M>
where M: ManagedTypeApi,

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impl<M> SubAssign for drt_sc_snippets::imports::BigUint<M>
where M: ManagedTypeApi,

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impl<M> SubAssign<&BigFloat<M>> for BigFloat<M>
where M: ManagedTypeApi,

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impl<M> SubAssign<&BigInt<M>> for drt_sc_snippets::imports::BigInt<M>
where M: ManagedTypeApi,

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impl<M> SubAssign<&BigUint<M>> for drt_sc_snippets::imports::BigUint<M>
where M: ManagedTypeApi,

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impl<M> SubAssign<u32> for drt_sc_snippets::imports::BigUint<M>
where M: ManagedTypeApi,

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impl<M> SubAssign<u64> for drt_sc_snippets::imports::BigUint<M>
where M: ManagedTypeApi,

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impl<M, D1, D2> SubAssign<&ManagedDecimal<M, D2>> for ManagedDecimal<M, D1>
where M: ManagedTypeApi, D1: Decimals, D2: Decimals,

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impl<M, D1, D2> SubAssign<&ManagedDecimalSigned<M, D2>> for ManagedDecimalSigned<M, D1>
where M: ManagedTypeApi, D1: Decimals, D2: Decimals,

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impl<M, D1, D2> SubAssign<ManagedDecimal<M, D2>> for ManagedDecimal<M, D1>
where M: ManagedTypeApi, D1: Decimals, D2: Decimals,

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impl<M, D1, D2> SubAssign<ManagedDecimalSigned<M, D2>> for ManagedDecimalSigned<M, D1>
where M: ManagedTypeApi, D1: Decimals, D2: Decimals,

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impl<O> SubAssign for F32<O>
where O: ByteOrder,

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impl<O> SubAssign for F64<O>
where O: ByteOrder,

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impl<O> SubAssign for I16<O>
where O: ByteOrder,

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impl<O> SubAssign for I32<O>
where O: ByteOrder,

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impl<O> SubAssign for I64<O>
where O: ByteOrder,

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impl<O> SubAssign for I128<O>
where O: ByteOrder,

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impl<O> SubAssign for Isize<O>
where O: ByteOrder,

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impl<O> SubAssign for U16<O>
where O: ByteOrder,

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impl<O> SubAssign for U32<O>
where O: ByteOrder,

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impl<O> SubAssign for U64<O>
where O: ByteOrder,

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impl<O> SubAssign for U128<O>
where O: ByteOrder,

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impl<O> SubAssign for Usize<O>
where O: ByteOrder,

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impl<O> SubAssign<f32> for F32<O>
where O: ByteOrder,

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impl<O> SubAssign<f64> for F64<O>
where O: ByteOrder,

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impl<O> SubAssign<i16> for I16<O>
where O: ByteOrder,

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impl<O> SubAssign<i32> for I32<O>
where O: ByteOrder,

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impl<O> SubAssign<i64> for I64<O>
where O: ByteOrder,

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impl<O> SubAssign<i128> for I128<O>
where O: ByteOrder,

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impl<O> SubAssign<isize> for Isize<O>
where O: ByteOrder,

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impl<O> SubAssign<u16> for U16<O>
where O: ByteOrder,

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impl<O> SubAssign<u32> for U32<O>
where O: ByteOrder,

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impl<O> SubAssign<u64> for U64<O>
where O: ByteOrder,

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impl<O> SubAssign<u128> for U128<O>
where O: ByteOrder,

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impl<O> SubAssign<usize> for Usize<O>
where O: ByteOrder,

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impl<O> SubAssign<F32<O>> for f32
where O: ByteOrder,

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impl<O> SubAssign<F64<O>> for f64
where O: ByteOrder,

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impl<O> SubAssign<I16<O>> for i16
where O: ByteOrder,

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impl<O> SubAssign<I32<O>> for i32
where O: ByteOrder,

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impl<O> SubAssign<I64<O>> for i64
where O: ByteOrder,

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impl<O> SubAssign<I128<O>> for i128
where O: ByteOrder,

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impl<O> SubAssign<Isize<O>> for isize
where O: ByteOrder,

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impl<O> SubAssign<U16<O>> for u16
where O: ByteOrder,

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impl<O> SubAssign<U32<O>> for u32
where O: ByteOrder,

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impl<O> SubAssign<U64<O>> for u64
where O: ByteOrder,

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impl<O> SubAssign<U128<O>> for u128
where O: ByteOrder,

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impl<O> SubAssign<Usize<O>> for usize
where O: ByteOrder,

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impl<T, S, A> SubAssign<&HashSet<T, S, A>> for HashSet<T, S, A>
where T: Eq + Hash + Clone, S: BuildHasher, A: Allocator,

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impl<T, U, const N: usize> SubAssign<U> for Simd<T, N>
where Simd<T, N>: Sub<U, Output = Simd<T, N>>, T: SimdElement, LaneCount<N>: SupportedLaneCount,