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Signed

Trait Signed

pub unsafe trait Signedwhere
    Self: Integral<Signed = Self, Unsigned: Integral<Signed = Self>> + Neg<Output = Self>,{
Show 23 methods    // Required methods
    fn abs(self) -> Self;
    fn cast_unsigned(self) -> Self::Unsigned;
    fn checked_abs(self) -> Option<Self>;
    fn checked_add_unsigned(self, rhs: Self::Unsigned) -> Option<Self>;
    fn checked_sub_unsigned(self, rhs: Self::Unsigned) -> Option<Self>;
    fn is_negative(self) -> bool;
    fn is_positive(self) -> bool;
    fn overflowing_abs(self) -> (Self, bool);
    fn overflowing_add_unsigned(self, rhs: Self::Unsigned) -> (Self, bool);
    fn overflowing_sub_unsigned(self, rhs: Self::Unsigned) -> (Self, bool);
    fn saturating_abs(self) -> Self;
    fn saturating_add_unsigned(self, rhs: Self::Unsigned) -> Self;
    fn saturating_neg(self) -> Self;
    fn saturating_sub_unsigned(self, rhs: Self::Unsigned) -> Self;
    fn signum(self) -> Self;
    fn strict_abs(self) -> Self;
    fn strict_add_unsigned(self, rhs: Self::Unsigned) -> Self;
    fn strict_sub_unsigned(self, rhs: Self::Unsigned) -> Self;
    unsafe fn unchecked_neg(self) -> Self;
    fn unsigned_abs(self) -> Self::Unsigned;
    fn wrapping_abs(self) -> Self;
    fn wrapping_add_unsigned(self, rhs: Self::Unsigned) -> Self;
    fn wrapping_sub_unsigned(self, rhs: Self::Unsigned) -> Self;
}

Expand description

Denotes a signed, integral type.

These include:

§Safety

All items must behave to the same specifications as the standard items.

Required Methods§

fn abs(self) -> Self

See i32::abs.

fn cast_unsigned(self) -> Self::Unsigned

See i32::cast_unsigned.

fn checked_abs(self) -> Option<Self>

See i32::checked_abs.

fn checked_add_unsigned(self, rhs: Self::Unsigned) -> Option<Self>

See i32::checked_add_unsigned.

fn checked_sub_unsigned(self, rhs: Self::Unsigned) -> Option<Self>

See i32::checked_sub_unsigned.

fn is_negative(self) -> bool

See i32::is_negative.

fn is_positive(self) -> bool

See i32::is_positive.

fn overflowing_abs(self) -> (Self, bool)

See i32::overflowing_abs.

fn overflowing_add_unsigned(self, rhs: Self::Unsigned) -> (Self, bool)

See i32::overflowing_add_unsigned.

fn overflowing_sub_unsigned(self, rhs: Self::Unsigned) -> (Self, bool)

See i32::overflowing_sub_unsigned.

fn saturating_abs(self) -> Self

See i32::saturating_abs.

fn saturating_add_unsigned(self, rhs: Self::Unsigned) -> Self

See i32::saturating_add_unsigned.

fn saturating_neg(self) -> Self

See i32::saturating_neg.

fn saturating_sub_unsigned(self, rhs: Self::Unsigned) -> Self

See i32::saturating_sub_unsigned.

fn signum(self) -> Self

See i32::signum.

fn strict_abs(self) -> Self

See i32::strict_abs.

fn strict_add_unsigned(self, rhs: Self::Unsigned) -> Self

See i32::strict_add_unsigned.

fn strict_sub_unsigned(self, rhs: Self::Unsigned) -> Self

See i32::strict_sub_unsigned.

unsafe fn unchecked_neg(self) -> Self

See i32::unchecked_neg.

fn unsigned_abs(self) -> Self::Unsigned

See i32::unsigned_abs.

fn wrapping_abs(self) -> Self

See i32::wrapping_abs.

fn wrapping_add_unsigned(self, rhs: Self::Unsigned) -> Self

See i32::wrapping_add_unsigned.

fn wrapping_sub_unsigned(self, rhs: Self::Unsigned) -> Self

See i32::wrapping_sub_unsigned.

Dyn Compatibility§

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.

Implementations on Foreign Types§

impl Signed for i8

fn abs(self) -> Self

fn cast_unsigned(self) -> <Self as Integral>::Unsigned

fn checked_abs(self) -> Option<Self>

fn checked_add_unsigned(self, rhs: <Self as Integral>::Unsigned) -> Option<Self>

fn checked_sub_unsigned(self, rhs: <Self as Integral>::Unsigned) -> Option<Self>

fn is_negative(self) -> bool

fn is_positive(self) -> bool

fn overflowing_abs(self) -> (Self, bool)

fn overflowing_add_unsigned( self, rhs: <Self as Integral>::Unsigned, ) -> (Self, bool)

fn overflowing_sub_unsigned( self, rhs: <Self as Integral>::Unsigned, ) -> (Self, bool)

fn signum(self) -> Self

fn saturating_abs(self) -> Self

fn saturating_add_unsigned(self, rhs: <Self as Integral>::Unsigned) -> Self

fn saturating_neg(self) -> Self

fn saturating_sub_unsigned(self, rhs: <Self as Integral>::Unsigned) -> Self

fn strict_abs(self) -> Self

fn strict_add_unsigned(self, rhs: <Self as Integral>::Unsigned) -> Self

fn strict_sub_unsigned(self, rhs: <Self as Integral>::Unsigned) -> Self

unsafe fn unchecked_neg(self) -> Self

fn unsigned_abs(self) -> <Self as Integral>::Unsigned

fn wrapping_abs(self) -> Self

fn wrapping_add_unsigned(self, rhs: <Self as Integral>::Unsigned) -> Self

fn wrapping_sub_unsigned(self, rhs: <Self as Integral>::Unsigned) -> Self

impl Signed for i16

fn abs(self) -> Self

fn cast_unsigned(self) -> <Self as Integral>::Unsigned

fn checked_abs(self) -> Option<Self>

fn checked_add_unsigned(self, rhs: <Self as Integral>::Unsigned) -> Option<Self>

fn checked_sub_unsigned(self, rhs: <Self as Integral>::Unsigned) -> Option<Self>

fn is_negative(self) -> bool

fn is_positive(self) -> bool

fn overflowing_abs(self) -> (Self, bool)

fn overflowing_add_unsigned( self, rhs: <Self as Integral>::Unsigned, ) -> (Self, bool)

fn overflowing_sub_unsigned( self, rhs: <Self as Integral>::Unsigned, ) -> (Self, bool)

fn signum(self) -> Self

fn saturating_abs(self) -> Self

fn saturating_add_unsigned(self, rhs: <Self as Integral>::Unsigned) -> Self

fn saturating_neg(self) -> Self

fn saturating_sub_unsigned(self, rhs: <Self as Integral>::Unsigned) -> Self

fn strict_abs(self) -> Self

fn strict_add_unsigned(self, rhs: <Self as Integral>::Unsigned) -> Self

fn strict_sub_unsigned(self, rhs: <Self as Integral>::Unsigned) -> Self

unsafe fn unchecked_neg(self) -> Self

fn unsigned_abs(self) -> <Self as Integral>::Unsigned

fn wrapping_abs(self) -> Self

fn wrapping_add_unsigned(self, rhs: <Self as Integral>::Unsigned) -> Self

fn wrapping_sub_unsigned(self, rhs: <Self as Integral>::Unsigned) -> Self

impl Signed for i32

fn abs(self) -> Self

fn cast_unsigned(self) -> <Self as Integral>::Unsigned

fn checked_abs(self) -> Option<Self>

fn checked_add_unsigned(self, rhs: <Self as Integral>::Unsigned) -> Option<Self>

fn checked_sub_unsigned(self, rhs: <Self as Integral>::Unsigned) -> Option<Self>

fn is_negative(self) -> bool

fn is_positive(self) -> bool

fn overflowing_abs(self) -> (Self, bool)

fn overflowing_add_unsigned( self, rhs: <Self as Integral>::Unsigned, ) -> (Self, bool)

fn overflowing_sub_unsigned( self, rhs: <Self as Integral>::Unsigned, ) -> (Self, bool)

fn signum(self) -> Self

fn saturating_abs(self) -> Self

fn saturating_add_unsigned(self, rhs: <Self as Integral>::Unsigned) -> Self

fn saturating_neg(self) -> Self

fn saturating_sub_unsigned(self, rhs: <Self as Integral>::Unsigned) -> Self

fn strict_abs(self) -> Self

fn strict_add_unsigned(self, rhs: <Self as Integral>::Unsigned) -> Self

fn strict_sub_unsigned(self, rhs: <Self as Integral>::Unsigned) -> Self

unsafe fn unchecked_neg(self) -> Self

fn unsigned_abs(self) -> <Self as Integral>::Unsigned

fn wrapping_abs(self) -> Self

fn wrapping_add_unsigned(self, rhs: <Self as Integral>::Unsigned) -> Self

fn wrapping_sub_unsigned(self, rhs: <Self as Integral>::Unsigned) -> Self

impl Signed for i64

fn abs(self) -> Self

fn cast_unsigned(self) -> <Self as Integral>::Unsigned

fn checked_abs(self) -> Option<Self>

fn checked_add_unsigned(self, rhs: <Self as Integral>::Unsigned) -> Option<Self>

fn checked_sub_unsigned(self, rhs: <Self as Integral>::Unsigned) -> Option<Self>

fn is_negative(self) -> bool

fn is_positive(self) -> bool

fn overflowing_abs(self) -> (Self, bool)

fn overflowing_add_unsigned( self, rhs: <Self as Integral>::Unsigned, ) -> (Self, bool)

fn overflowing_sub_unsigned( self, rhs: <Self as Integral>::Unsigned, ) -> (Self, bool)

fn signum(self) -> Self

fn saturating_abs(self) -> Self

fn saturating_add_unsigned(self, rhs: <Self as Integral>::Unsigned) -> Self

fn saturating_neg(self) -> Self

fn saturating_sub_unsigned(self, rhs: <Self as Integral>::Unsigned) -> Self

fn strict_abs(self) -> Self

fn strict_add_unsigned(self, rhs: <Self as Integral>::Unsigned) -> Self

fn strict_sub_unsigned(self, rhs: <Self as Integral>::Unsigned) -> Self

unsafe fn unchecked_neg(self) -> Self

fn unsigned_abs(self) -> <Self as Integral>::Unsigned

fn wrapping_abs(self) -> Self

fn wrapping_add_unsigned(self, rhs: <Self as Integral>::Unsigned) -> Self

fn wrapping_sub_unsigned(self, rhs: <Self as Integral>::Unsigned) -> Self

impl Signed for i128

fn abs(self) -> Self

fn cast_unsigned(self) -> <Self as Integral>::Unsigned

fn checked_abs(self) -> Option<Self>

fn checked_add_unsigned(self, rhs: <Self as Integral>::Unsigned) -> Option<Self>

fn checked_sub_unsigned(self, rhs: <Self as Integral>::Unsigned) -> Option<Self>

fn is_negative(self) -> bool

fn is_positive(self) -> bool

fn overflowing_abs(self) -> (Self, bool)

fn overflowing_add_unsigned( self, rhs: <Self as Integral>::Unsigned, ) -> (Self, bool)

fn overflowing_sub_unsigned( self, rhs: <Self as Integral>::Unsigned, ) -> (Self, bool)

fn signum(self) -> Self

fn saturating_abs(self) -> Self

fn saturating_add_unsigned(self, rhs: <Self as Integral>::Unsigned) -> Self

fn saturating_neg(self) -> Self

fn saturating_sub_unsigned(self, rhs: <Self as Integral>::Unsigned) -> Self

fn strict_abs(self) -> Self

fn strict_add_unsigned(self, rhs: <Self as Integral>::Unsigned) -> Self

fn strict_sub_unsigned(self, rhs: <Self as Integral>::Unsigned) -> Self

unsafe fn unchecked_neg(self) -> Self

fn unsigned_abs(self) -> <Self as Integral>::Unsigned

fn wrapping_abs(self) -> Self

fn wrapping_add_unsigned(self, rhs: <Self as Integral>::Unsigned) -> Self

fn wrapping_sub_unsigned(self, rhs: <Self as Integral>::Unsigned) -> Self

impl Signed for isize

fn abs(self) -> Self

fn cast_unsigned(self) -> <Self as Integral>::Unsigned

fn checked_abs(self) -> Option<Self>

fn checked_add_unsigned(self, rhs: <Self as Integral>::Unsigned) -> Option<Self>

fn checked_sub_unsigned(self, rhs: <Self as Integral>::Unsigned) -> Option<Self>

fn is_negative(self) -> bool

fn is_positive(self) -> bool

fn overflowing_abs(self) -> (Self, bool)

fn overflowing_add_unsigned( self, rhs: <Self as Integral>::Unsigned, ) -> (Self, bool)

fn overflowing_sub_unsigned( self, rhs: <Self as Integral>::Unsigned, ) -> (Self, bool)

fn signum(self) -> Self

fn saturating_abs(self) -> Self

fn saturating_add_unsigned(self, rhs: <Self as Integral>::Unsigned) -> Self

fn saturating_neg(self) -> Self

fn saturating_sub_unsigned(self, rhs: <Self as Integral>::Unsigned) -> Self

fn strict_abs(self) -> Self

fn strict_add_unsigned(self, rhs: <Self as Integral>::Unsigned) -> Self

fn strict_sub_unsigned(self, rhs: <Self as Integral>::Unsigned) -> Self

unsafe fn unchecked_neg(self) -> Self

fn unsigned_abs(self) -> <Self as Integral>::Unsigned

fn wrapping_abs(self) -> Self

fn wrapping_add_unsigned(self, rhs: <Self as Integral>::Unsigned) -> Self

fn wrapping_sub_unsigned(self, rhs: <Self as Integral>::Unsigned) -> Self

Implementors§