Trait ParamData 

pub trait ParamData {
    // Required method
    fn is_null(&self) -> bool;
}

Required Methods

fn is_null(&self) -> bool

Dyn Compatibility

This trait is dyn compatible.

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

Implementations on Foreign Types

impl ParamData for String

fn is_null(&self) -> bool

impl ParamData for bool

fn is_null(&self) -> bool

impl ParamData for f32

fn is_null(&self) -> bool

impl ParamData for f64

fn is_null(&self) -> bool

impl ParamData for i8

fn is_null(&self) -> bool

impl ParamData for i16

fn is_null(&self) -> bool

impl ParamData for i32

fn is_null(&self) -> bool

impl ParamData for i64

fn is_null(&self) -> bool

impl ParamData for str

fn is_null(&self) -> bool

impl<'a, T> ParamData for Cow<'a, T>

where T: ToOwned + ParamData,

fn is_null(&self) -> bool

impl<T> ParamData for &T

where T: ParamData + ?Sized,

fn is_null(&self) -> bool

impl<T> ParamData for &mut T

where T: ParamData + ?Sized,

fn is_null(&self) -> bool

impl<T> ParamData for Option<T>

fn is_null(&self) -> bool

impl<T> ParamData for Vec<T>

fn is_null(&self) -> bool

impl<T> ParamData for [T]

fn is_null(&self) -> bool

Implementors

impl ParamData for Date

impl ParamData for DateTime

impl ParamData for Timeout

impl ParamData for UniqueId