Trait SignedInt 

pub trait SignedInt: Int + Signed {
    type U: UnsignedInt;

    // Required methods
    fn checked_abs(self) -> Option<Self>;
    fn saturating_abs(self) -> Self;
    fn wrapping_abs(self) -> Self;
    fn overflowing_abs(self) -> (Self, bool);
    fn unsigned_abs(self) -> Self::U;
    fn checked_neg(self) -> Option<Self>;
    fn saturating_neg(self) -> Self;
    fn wrapping_neg(self) -> Self;
    fn overflowing_neg(self) -> (Self, bool);
    fn checked_add_unsigned(self, rhs: Self::U) -> Option<Self>;
    fn saturating_add_unsigned(self, rhs: Self::U) -> Self;
    fn wrapping_add_unsigned(self, rhs: Self::U) -> Self;
    fn overflowing_add_unsigned(self, rhs: Self::U) -> (Self, bool);
    fn checked_sub_unsigned(self, rhs: Self::U) -> Option<Self>;
    fn saturating_sub_unsigned(self, rhs: Self::U) -> Self;
    fn wrapping_sub_unsigned(self, rhs: Self::U) -> Self;
    fn overflowing_sub_unsigned(self, rhs: Self::U) -> (Self, bool);
    fn cast_unsigned(self) -> Self::U;
    fn signum(self) -> Self;
    fn isqrt(self) -> Self;
    fn checked_isqrt(self) -> Option<Self>;
    fn div_euclid(self, rhs: Self) -> Self;
    fn rem_euclid(self, rhs: Self) -> Self;
    fn ilog(self, base: Self) -> u32;
    fn ilog2(self) -> u32;
    fn ilog10(self) -> u32;
    fn checked_ilog(self, base: Self) -> Option<u32>;
    fn checked_ilog2(self) -> Option<u32>;
    fn checked_ilog10(self) -> Option<u32>;
}

Signed integers.

Required Associated Types

type U: UnsignedInt

The unsigned integer type with the same size.

Required Methods

fn checked_abs(self) -> Option<Self>

Checked absolute value.

fn saturating_abs(self) -> Self

Saturating absolute value.

fn wrapping_abs(self) -> Self

Wrapping (modular) absolute value.

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

Computes the absolute value of self, with overflow information.

fn unsigned_abs(self) -> Self::U

Computes the absolute value of self without any wrapping or panicking.

fn checked_neg(self) -> Option<Self>

Checked negation.

fn saturating_neg(self) -> Self

Saturating integer negation.

fn wrapping_neg(self) -> Self

Wrapping (modular) negation.

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

Negates self, overflowing if this is equal to the minimum value.

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

Checked addition with an unsigned integer.

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

Saturating addition with an unsigned integer.

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

Wrapping (modular) addition with an unsigned integer.

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

Calculates self + rhs with an unsigned rhs.

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

Checked subtraction with an unsigned integer.

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

Saturating subtraction with an unsigned integer.

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

Wrapping (modular) subtraction with an unsigned integer.

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

Calculates self - rhs with an unsigned rhs.

fn cast_unsigned(self) -> Self::U

Returns the bit pattern of self reinterpreted as an unsigned integer of the same size.

fn signum(self) -> Self

Returns a number representing sign of self.

fn isqrt(self) -> Self

Returns the integer square root of a number.

fn checked_isqrt(self) -> Option<Self>

Checked integer square root.

fn div_euclid(self, rhs: Self) -> Self

Calculates the quotient of Euclidean division of self by rhs.

fn rem_euclid(self, rhs: Self) -> Self

Calculates the least nonnegative remainder of self (mod rhs).

fn ilog(self, base: Self) -> u32

Returns the logarithm of the number with respect to an arbitrary base, rounded down.

fn ilog2(self) -> u32

Returns the base 2 logarithm of the number, rounded down.

fn ilog10(self) -> u32

Returns the base 10 logarithm of the number, rounded down.

fn checked_ilog(self, base: Self) -> Option<u32>

Checked integer logarithm to base.

fn checked_ilog2(self) -> Option<u32>

Checked base 2 logarithm.

fn checked_ilog10(self) -> Option<u32>

Checked base 10 logarithm.

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 SignedInt for i8

type U = u8

fn checked_abs(self) -> Option<Self>

fn saturating_abs(self) -> Self

fn wrapping_abs(self) -> Self

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

fn unsigned_abs(self) -> Self::U

fn checked_neg(self) -> Option<Self>

fn saturating_neg(self) -> Self

fn wrapping_neg(self) -> Self

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

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

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

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

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

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

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

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

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

fn cast_unsigned(self) -> Self::U

fn signum(self) -> Self

fn isqrt(self) -> Self

fn checked_isqrt(self) -> Option<Self>

fn div_euclid(self, rhs: Self) -> Self

fn rem_euclid(self, rhs: Self) -> Self

fn ilog(self, base: Self) -> u32

fn ilog2(self) -> u32

fn ilog10(self) -> u32

fn checked_ilog(self, base: Self) -> Option<u32>

fn checked_ilog2(self) -> Option<u32>

fn checked_ilog10(self) -> Option<u32>

impl SignedInt for i16

type U = u16

fn checked_abs(self) -> Option<Self>

fn saturating_abs(self) -> Self

fn wrapping_abs(self) -> Self

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

fn unsigned_abs(self) -> Self::U

fn checked_neg(self) -> Option<Self>

fn saturating_neg(self) -> Self

fn wrapping_neg(self) -> Self

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

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

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

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

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

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

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

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

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

fn cast_unsigned(self) -> Self::U

fn signum(self) -> Self

fn isqrt(self) -> Self

fn checked_isqrt(self) -> Option<Self>

fn div_euclid(self, rhs: Self) -> Self

fn rem_euclid(self, rhs: Self) -> Self

fn ilog(self, base: Self) -> u32

fn ilog2(self) -> u32

fn ilog10(self) -> u32

fn checked_ilog(self, base: Self) -> Option<u32>

fn checked_ilog2(self) -> Option<u32>

fn checked_ilog10(self) -> Option<u32>

impl SignedInt for i32

type U = u32

fn checked_abs(self) -> Option<Self>

fn saturating_abs(self) -> Self

fn wrapping_abs(self) -> Self

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

fn unsigned_abs(self) -> Self::U

fn checked_neg(self) -> Option<Self>

fn saturating_neg(self) -> Self

fn wrapping_neg(self) -> Self

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

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

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

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

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

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

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

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

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

fn cast_unsigned(self) -> Self::U

fn signum(self) -> Self

fn isqrt(self) -> Self

fn checked_isqrt(self) -> Option<Self>

fn div_euclid(self, rhs: Self) -> Self

fn rem_euclid(self, rhs: Self) -> Self

fn ilog(self, base: Self) -> u32

fn ilog2(self) -> u32

fn ilog10(self) -> u32

fn checked_ilog(self, base: Self) -> Option<u32>

fn checked_ilog2(self) -> Option<u32>

fn checked_ilog10(self) -> Option<u32>

impl SignedInt for i64

type U = u64

fn checked_abs(self) -> Option<Self>

fn saturating_abs(self) -> Self

fn wrapping_abs(self) -> Self

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

fn unsigned_abs(self) -> Self::U

fn checked_neg(self) -> Option<Self>

fn saturating_neg(self) -> Self

fn wrapping_neg(self) -> Self

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

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

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

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

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

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

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

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

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

fn cast_unsigned(self) -> Self::U

fn signum(self) -> Self

fn isqrt(self) -> Self

fn checked_isqrt(self) -> Option<Self>

fn div_euclid(self, rhs: Self) -> Self

fn rem_euclid(self, rhs: Self) -> Self

fn ilog(self, base: Self) -> u32

fn ilog2(self) -> u32

fn ilog10(self) -> u32

fn checked_ilog(self, base: Self) -> Option<u32>

fn checked_ilog2(self) -> Option<u32>

fn checked_ilog10(self) -> Option<u32>

impl SignedInt for i128

type U = u128

fn checked_abs(self) -> Option<Self>

fn saturating_abs(self) -> Self

fn wrapping_abs(self) -> Self

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

fn unsigned_abs(self) -> Self::U

fn checked_neg(self) -> Option<Self>

fn saturating_neg(self) -> Self

fn wrapping_neg(self) -> Self

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

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

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

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

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

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

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

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

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

fn cast_unsigned(self) -> Self::U

fn signum(self) -> Self

fn isqrt(self) -> Self

fn checked_isqrt(self) -> Option<Self>

fn div_euclid(self, rhs: Self) -> Self

fn rem_euclid(self, rhs: Self) -> Self

fn ilog(self, base: Self) -> u32

fn ilog2(self) -> u32

fn ilog10(self) -> u32

fn checked_ilog(self, base: Self) -> Option<u32>

fn checked_ilog2(self) -> Option<u32>

fn checked_ilog10(self) -> Option<u32>

impl SignedInt for isize

type U = usize

fn checked_abs(self) -> Option<Self>

fn saturating_abs(self) -> Self

fn wrapping_abs(self) -> Self

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

fn unsigned_abs(self) -> Self::U

fn checked_neg(self) -> Option<Self>

fn saturating_neg(self) -> Self

fn wrapping_neg(self) -> Self

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

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

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

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

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

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

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

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

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

fn cast_unsigned(self) -> Self::U

fn signum(self) -> Self

fn isqrt(self) -> Self

fn checked_isqrt(self) -> Option<Self>

fn div_euclid(self, rhs: Self) -> Self

fn rem_euclid(self, rhs: Self) -> Self

fn ilog(self, base: Self) -> u32

fn ilog2(self) -> u32

fn ilog10(self) -> u32

fn checked_ilog(self, base: Self) -> Option<u32>

fn checked_ilog2(self) -> Option<u32>

fn checked_ilog10(self) -> Option<u32>

Implementors