[−][src]Trait num_traits::Num
The base trait for numeric types, covering 0
and 1
values,
comparisons, basic numeric operations, and string conversion.
Associated Types
type FromStrRadixErr
Required methods
fn from_str_radix(str: &str, radix: u32) -> Result<Self, Self::FromStrRadixErr>
Convert from a string and radix <= 36.
Examples
use num_traits::Num; let result = <i32 as Num>::from_str_radix("27", 10); assert_eq!(result, Ok(27)); let result = <i32 as Num>::from_str_radix("foo", 10); assert!(result.is_err());
Implementations on Foreign Types
impl Num for usize
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type FromStrRadixErr = ParseIntError
fn from_str_radix(s: &str, radix: u32) -> Result<Self, ParseIntError>
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impl Num for u8
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type FromStrRadixErr = ParseIntError
fn from_str_radix(s: &str, radix: u32) -> Result<Self, ParseIntError>
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impl Num for u16
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type FromStrRadixErr = ParseIntError
fn from_str_radix(s: &str, radix: u32) -> Result<Self, ParseIntError>
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impl Num for u32
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type FromStrRadixErr = ParseIntError
fn from_str_radix(s: &str, radix: u32) -> Result<Self, ParseIntError>
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impl Num for u64
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type FromStrRadixErr = ParseIntError
fn from_str_radix(s: &str, radix: u32) -> Result<Self, ParseIntError>
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impl Num for isize
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type FromStrRadixErr = ParseIntError
fn from_str_radix(s: &str, radix: u32) -> Result<Self, ParseIntError>
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impl Num for i8
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type FromStrRadixErr = ParseIntError
fn from_str_radix(s: &str, radix: u32) -> Result<Self, ParseIntError>
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impl Num for i16
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type FromStrRadixErr = ParseIntError
fn from_str_radix(s: &str, radix: u32) -> Result<Self, ParseIntError>
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impl Num for i32
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type FromStrRadixErr = ParseIntError
fn from_str_radix(s: &str, radix: u32) -> Result<Self, ParseIntError>
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impl Num for i64
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type FromStrRadixErr = ParseIntError
fn from_str_radix(s: &str, radix: u32) -> Result<Self, ParseIntError>
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impl Num for u128
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type FromStrRadixErr = ParseIntError
fn from_str_radix(s: &str, radix: u32) -> Result<Self, ParseIntError>
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impl Num for i128
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type FromStrRadixErr = ParseIntError
fn from_str_radix(s: &str, radix: u32) -> Result<Self, ParseIntError>
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impl<T: Num> Num for Wrapping<T> where
Wrapping<T>: Add<Output = Wrapping<T>> + Sub<Output = Wrapping<T>> + Mul<Output = Wrapping<T>> + Div<Output = Wrapping<T>> + Rem<Output = Wrapping<T>>,
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Wrapping<T>: Add<Output = Wrapping<T>> + Sub<Output = Wrapping<T>> + Mul<Output = Wrapping<T>> + Div<Output = Wrapping<T>> + Rem<Output = Wrapping<T>>,