Trait FromRef 

pub trait FromRef {
    type Ref;

    // Required method
    fn from_ref(ref_: &Self::Ref) -> Self;
}

Required Associated Types

type Ref

Required Methods

fn from_ref(ref_: &Self::Ref) -> Self

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 FromRef for bool

type Ref = bool

fn from_ref(ref_: &Self::Ref) -> Self

impl FromRef for char

type Ref = char

fn from_ref(ref_: &Self::Ref) -> Self

impl FromRef for f32

type Ref = f32

fn from_ref(ref_: &Self::Ref) -> Self

impl FromRef for f64

type Ref = f64

fn from_ref(ref_: &Self::Ref) -> Self

impl FromRef for i8

type Ref = i8

fn from_ref(ref_: &Self::Ref) -> Self

impl FromRef for i16

type Ref = i16

fn from_ref(ref_: &Self::Ref) -> Self

impl FromRef for i32

type Ref = i32

fn from_ref(ref_: &Self::Ref) -> Self

impl FromRef for i64

type Ref = i64

fn from_ref(ref_: &Self::Ref) -> Self

impl FromRef for isize

type Ref = isize

fn from_ref(ref_: &Self::Ref) -> Self

impl FromRef for u8

type Ref = u8

fn from_ref(ref_: &Self::Ref) -> Self

impl FromRef for u16

type Ref = u16

fn from_ref(ref_: &Self::Ref) -> Self

impl FromRef for u32

type Ref = u32

fn from_ref(ref_: &Self::Ref) -> Self

impl FromRef for u64

type Ref = u64

fn from_ref(ref_: &Self::Ref) -> Self

impl FromRef for usize

type Ref = usize

fn from_ref(ref_: &Self::Ref) -> Self

impl FromRef for String

type Ref = StringRef

fn from_ref(ref_: &Self::Ref) -> Self

impl<T: FromRef> FromRef for Vec<T>

type Ref = ListRef

fn from_ref(ref_: &Self::Ref) -> Self

Implementors