Trait spanner_rs::FromSpanner

pub trait FromSpanner<'a>: Sized {
    fn from_spanner(tpe: &'a Type, value: &'a Value) -> Result<Self, Error>;

    fn from_spanner_null(tpe: &Type) -> Result<Self, Error> { ... }
    fn from_spanner_nullable(
        tpe: &'a Type, 
        value: &'a Value
    ) -> Result<Self, Error> { ... }
}

Required methods

fn from_spanner(tpe: &'a Type, value: &'a Value) -> Result<Self, Error>

Provided methods

fn from_spanner_null(tpe: &Type) -> Result<Self, Error>

fn from_spanner_nullable(tpe: &'a Type, value: &'a Value) -> Result<Self, Error>

Implementations on Foreign Types

impl<'a, T> FromSpanner<'a> for Option<T> where
    T: FromSpanner<'a>, 

fn from_spanner(tpe: &'a Type, value: &'a Value) -> Result<Self, Error>

fn from_spanner_null(_tpe: &Type) -> Result<Self, Error>

impl<'a, T> FromSpanner<'a> for Vec<T> where
    T: FromSpanner<'a>, 

fn from_spanner(tpe: &'a Type, value: &'a Value) -> Result<Self, Error>

impl<'a> FromSpanner<'a> for String

fn from_spanner(tpe: &'a Type, value: &'a Value) -> Result<Self, Error>

impl<'a> FromSpanner<'a> for &'a str

fn from_spanner(tpe: &'a Type, value: &'a Value) -> Result<Self, Error>

impl<'a> FromSpanner<'a> for i8

fn from_spanner(tpe: &'a Type, value: &'a Value) -> Result<i8, Error>

impl<'a> FromSpanner<'a> for u8

fn from_spanner(tpe: &'a Type, value: &'a Value) -> Result<u8, Error>

impl<'a> FromSpanner<'a> for i16

fn from_spanner(tpe: &'a Type, value: &'a Value) -> Result<i16, Error>

impl<'a> FromSpanner<'a> for u16

fn from_spanner(tpe: &'a Type, value: &'a Value) -> Result<u16, Error>

impl<'a> FromSpanner<'a> for i32

fn from_spanner(tpe: &'a Type, value: &'a Value) -> Result<i32, Error>

impl<'a> FromSpanner<'a> for u32

fn from_spanner(tpe: &'a Type, value: &'a Value) -> Result<u32, Error>

impl<'a> FromSpanner<'a> for i64

fn from_spanner(tpe: &'a Type, value: &'a Value) -> Result<i64, Error>

impl<'a> FromSpanner<'a> for f64

fn from_spanner(tpe: &'a Type, value: &'a Value) -> Result<f64, Error>

impl<'a> FromSpanner<'a> for bool

fn from_spanner(tpe: &'a Type, value: &'a Value) -> Result<bool, Error>

impl<'a> FromSpanner<'a> for BigDecimal

fn from_spanner(tpe: &'a Type, value: &'a Value) -> Result<BigDecimal, Error>

impl<'a> FromSpanner<'a> for &'a BigDecimal

fn from_spanner(
    tpe: &'a Type,
    value: &'a Value
) -> Result<&'a BigDecimal, Error>

impl<'a> FromSpanner<'a> for Bytes

fn from_spanner(tpe: &'a Type, value: &'a Value) -> Result<Bytes, Error>

impl<'a> FromSpanner<'a> for &'a Bytes

fn from_spanner(tpe: &'a Type, value: &'a Value) -> Result<&'a Bytes, Error>

impl<'a> FromSpanner<'a> for &'a [u8]

fn from_spanner(tpe: &'a Type, value: &'a Value) -> Result<&'a [u8], Error>

Implementors