Trait rug::ops::SubFrom
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pub trait SubFrom<Lhs = Self> { fn sub_from(&mut self, lhs: Lhs); }
Compound subtraction and assignment to the rhs operand.
rhs.sub_from(lhs)
has the same effect as rhs = lhs - rhs
.
Examples
use rug::ops::SubFrom; struct I(i32); impl SubFrom<i32> for I { fn sub_from(&mut self, lhs: i32) { self.0 = lhs - self.0; } } let mut i = I(10); i.sub_from(42); assert_eq!(i.0, 32);
Required Methods
fn sub_from(&mut self, lhs: Lhs)
Peforms the subtraction.
Examples
use rug::Integer; use rug::ops::SubFrom; let mut rhs = Integer::from(10); rhs.sub_from(100); // rhs = 100 - 10 assert_eq!(rhs, 90);
Implementations on Foreign Types
impl SubFrom for i8
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impl<'a> SubFrom<&'a i8> for i8
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impl SubFrom for i16
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impl<'a> SubFrom<&'a i16> for i16
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impl SubFrom for i32
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impl<'a> SubFrom<&'a i32> for i32
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impl SubFrom for i64
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impl<'a> SubFrom<&'a i64> for i64
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impl SubFrom for isize
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impl<'a> SubFrom<&'a isize> for isize
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impl SubFrom for u8
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impl<'a> SubFrom<&'a u8> for u8
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impl SubFrom for u16
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impl<'a> SubFrom<&'a u16> for u16
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impl SubFrom for u32
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impl<'a> SubFrom<&'a u32> for u32
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impl SubFrom for u64
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impl<'a> SubFrom<&'a u64> for u64
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impl SubFrom for usize
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impl<'a> SubFrom<&'a usize> for usize
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impl SubFrom for f32
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impl<'a> SubFrom<&'a f32> for f32
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impl SubFrom for f64
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impl<'a> SubFrom<&'a f64> for f64
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Implementors
impl SubFrom<Integer> for Integer
impl<'a> SubFrom<&'a Integer> for Integer
impl SubFrom<i32> for Integer
impl<'t> SubFrom<&'t i32> for Integer
impl SubFrom<u32> for Integer
impl<'t> SubFrom<&'t u32> for Integer
impl<'a> SubFrom<MulRef<'a>> for Integer
impl<'a> SubFrom<MulRefU32<'a>> for Integer
impl<'a> SubFrom<MulRefI32<'a>> for Integer
impl SubFrom<Rational> for Rational
impl<'a> SubFrom<&'a Rational> for Rational
impl SubFrom<Float> for Float
impl<'a> SubFrom<&'a Float> for Float
impl SubFrom<Integer> for Float
impl<'a> SubFrom<&'a Integer> for Float
impl SubFrom<Rational> for Float
impl<'a> SubFrom<&'a Rational> for Float
impl SubFrom<i32> for Float
impl<'t> SubFrom<&'t i32> for Float
impl SubFrom<u32> for Float
impl<'t> SubFrom<&'t u32> for Float
impl SubFrom<f32> for Float
impl<'t> SubFrom<&'t f32> for Float
impl SubFrom<f64> for Float
impl<'t> SubFrom<&'t f64> for Float
impl<'a> SubFrom<MulRef<'a>> for Float
impl SubFrom<Complex> for Complex
impl<'a> SubFrom<&'a Complex> for Complex
impl SubFrom<Float> for Complex
impl<'a> SubFrom<&'a Float> for Complex
impl SubFrom<u32> for Complex
impl<'t> SubFrom<&'t u32> for Complex
impl SubFrom<i32> for Complex
impl<'t> SubFrom<&'t i32> for Complex
impl<'a> SubFrom<MulRef<'a>> for Complex