[][src]Struct rusqlite::types::Null

pub struct Null;

Empty struct that can be used to fill in a query parameter as NULL.

Example

fn main() {}
fn insert_null(conn: &Connection) -> Result<usize> {
    conn.execute("INSERT INTO people (name) VALUES (?)", &[Null])
}

Trait Implementations

impl ToSql for Null[src]

impl Copy for Null[src]

impl Clone for Null[src]

fn clone_from(&mut self, source: &Self)
1.0.0
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Performs copy-assignment from source. Read more

impl<'_> From<Null> for ToSqlOutput<'_>[src]

impl From<Null> for Value[src]

Auto Trait Implementations

impl Send for Null

impl Sync for Null

Blanket Implementations

impl<T> ToOwned for T where
    T: Clone
[src]

type Owned = T

The resulting type after obtaining ownership.

impl<T> From for T[src]

impl<T, U> Into for T where
    U: From<T>, 
[src]

impl<T, U> TryFrom for T where
    U: Into<T>, 
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type Error = Infallible

The type returned in the event of a conversion error.

impl<T> Borrow for T where
    T: ?Sized
[src]

impl<T> BorrowMut for T where
    T: ?Sized
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impl<T, U> TryInto for T where
    U: TryFrom<T>, 
[src]

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.

impl<T> Any for T where
    T: 'static + ?Sized
[src]