Enum ValueRef 

pub enum ValueRef<'a> {
    Null,
    Integer(i64),
    Real(f64),
    Text(&'a [u8]),
    Blob(&'a [u8]),
}

A borrowed version of Value.

Variants

Null

Integer(i64)

Real(f64)

Text(&'a [u8])

Blob(&'a [u8])

Implementations

impl ValueRef<'_>

pub fn data_type(&self) -> ValueType

pub fn is_null(&self) -> bool

Returns true if the value ref is Null.

pub fn is_integer(&self) -> bool

Returns true if the value ref is Integer.

pub fn as_integer(&self) -> Option<&i64>

pub fn is_real(&self) -> bool

Returns true if the value ref is Real.

pub fn as_real(&self) -> Option<&f64>

pub fn is_text(&self) -> bool

Returns true if the value ref is Text.

pub fn as_text(&self) -> Option<&[u8]>

pub fn is_blob(&self) -> bool

Returns true if the value ref is Blob.

pub fn as_blob(&self) -> Option<&[u8]>

Trait Implementations

impl<'a> Debug for ValueRef<'a>

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<'a> From<&'a Value> for ValueRef<'a>

fn from(v: &'a Value) -> ValueRef<'a>

Converts to this type from the input type.

impl<'a> From<&'a [u8]> for ValueRef<'a>

fn from(s: &[u8]) -> ValueRef<'_>

Converts to this type from the input type.

impl<'a> From<&'a str> for ValueRef<'a>

fn from(s: &str) -> ValueRef<'_>

Converts to this type from the input type.

impl<'a, T> From<Option<T>> for ValueRef<'a>

where T: Into<ValueRef<'a>>,

fn from(s: Option<T>) -> ValueRef<'a>

Converts to this type from the input type.

impl From<ValueRef<'_>> for Value

fn from(vr: ValueRef<'_>) -> Value

Converts to this type from the input type.