Trait core::convert::From 1.0.0
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[src]
pub trait From<T>: Sized {
fn from(_: T) -> Self;
}Construct Self via a conversion.
Note: this trait must not fail. If the conversion can fail, use TryFrom or a dedicated
method which returns an Option<T> or a Result<T, E>.
Examples
String implements From<&str>:
let string = "hello".to_string(); let other_string = String::from("hello"); assert_eq!(string, other_string);Run
Generic impls
Required Methods
fn from(_: T) -> Self
Performs the conversion.
Implementors
impl From<u8> for u16impl From<u8> for u32impl From<u8> for u64impl From<u8> for u128impl From<u8> for usizeimpl From<u16> for u32impl From<u16> for u64impl From<u16> for u128impl From<u32> for u64impl From<u32> for u128impl From<u64> for u128impl From<i8> for i16impl From<i8> for i32impl From<i8> for i64impl From<i8> for i128impl From<i8> for isizeimpl From<i16> for i32impl From<i16> for i64impl From<i16> for i128impl From<i32> for i64impl From<i32> for i128impl From<i64> for i128impl From<u8> for i16impl From<u8> for i32impl From<u8> for i64impl From<u8> for i128impl From<u16> for i32impl From<u16> for i64impl From<u16> for i128impl From<u32> for i64impl From<u32> for i128impl From<u64> for i128impl From<i8> for f32impl From<i8> for f64impl From<i16> for f32impl From<i16> for f64impl From<i32> for f64impl From<u8> for f32impl From<u8> for f64impl From<u16> for f32impl From<u16> for f64impl From<u32> for f64impl From<f32> for f64impl<T> From<T> for Timpl<T: Copy> From<T> for Cell<T>impl<T> From<T> for RefCell<T>impl<T> From<T> for UnsafeCell<T>impl From<char> for u32impl From<u8> for charimpl<T> From<T> for Option<T>