Trait Decode 

pub trait Decode: Sized {
    const N_COLS: usize;

    // Required method
    fn decode_at(row: &Row<'_>, col_offset: usize) -> Result<Self>;

    // Provided method
    fn decode(row: &Row<'_>) -> Result<Self> { ... }
}

Required Associated Constants

const N_COLS: usize

Required Methods

fn decode_at(row: &Row<'_>, col_offset: usize) -> Result<Self>

Provided Methods

fn decode(row: &Row<'_>) -> Result<Self>

Dyn Compatibility

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementations on Foreign Types

impl Decode for String

const N_COLS: usize = 1

fn decode_at(row: &Row<'_>, off: usize) -> Result<Self>

impl Decode for Vec<u8>

const N_COLS: usize = 1

fn decode_at(row: &Row<'_>, off: usize) -> Result<Self>

impl Decode for bool

const N_COLS: usize = 1

fn decode_at(row: &Row<'_>, off: usize) -> Result<Self>

impl Decode for f32

const N_COLS: usize = 1

fn decode_at(row: &Row<'_>, off: usize) -> Result<Self>

impl Decode for f64

const N_COLS: usize = 1

fn decode_at(row: &Row<'_>, off: usize) -> Result<Self>

impl Decode for i8

const N_COLS: usize = 1

fn decode_at(row: &Row<'_>, off: usize) -> Result<Self>

impl Decode for i16

const N_COLS: usize = 1

fn decode_at(row: &Row<'_>, off: usize) -> Result<Self>

impl Decode for i32

const N_COLS: usize = 1

fn decode_at(row: &Row<'_>, off: usize) -> Result<Self>

impl Decode for i64

const N_COLS: usize = 1

fn decode_at(row: &Row<'_>, off: usize) -> Result<Self>

impl Decode for isize

const N_COLS: usize = 1

fn decode_at(row: &Row<'_>, off: usize) -> Result<Self>

impl Decode for u8

const N_COLS: usize = 1

fn decode_at(row: &Row<'_>, off: usize) -> Result<Self>

impl Decode for u16

const N_COLS: usize = 1

fn decode_at(row: &Row<'_>, off: usize) -> Result<Self>

impl Decode for u32

const N_COLS: usize = 1

fn decode_at(row: &Row<'_>, off: usize) -> Result<Self>

impl Decode for u64

const N_COLS: usize = 1

fn decode_at(row: &Row<'_>, off: usize) -> Result<Self>

impl<A: Decode, B: Decode, C: Decode, D: Decode> Decode for (A, B, C, D)

const N_COLS: usize

fn decode_at(row: &Row<'_>, off: usize) -> Result<Self>

impl<A: Decode, B: Decode, C: Decode> Decode for (A, B, C)

const N_COLS: usize

fn decode_at(row: &Row<'_>, off: usize) -> Result<Self>

impl<A: Decode, B: Decode> Decode for (A, B)

const N_COLS: usize

fn decode_at(row: &Row<'_>, off: usize) -> Result<Self>

impl<T: FromSql> Decode for Option<T>

const N_COLS: usize = 1

fn decode_at(row: &Row<'_>, off: usize) -> Result<Self>

Implementors