Struct liquid::model::ScalarCow

#[repr(transparent)]pub struct ScalarCow<'s>(_);

A Liquid scalar value

Implementations

impl<'s> ScalarCow<'s>

pub fn new<T>(value: T) -> ScalarCow<'s> where
    T: Into<ScalarCow<'s>>, 

Convert a value into a ScalarCow.

pub fn into_owned(self) -> ScalarCow<'static>

Create an owned version of the value.

pub fn as_ref<'r>(&'r self) -> ScalarCow<'r> where
    'r: 's, 

Create a reference to the value.

pub fn as_view<'r>(&'r self) -> &'s (dyn ValueView + 's) where
    'r: 's, 

Create a reference to the value.

pub fn into_string(self) -> KString

Convert to a string.

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

Interpret as an integer, if possible

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

Interpret as a float, if possible

pub fn to_bool(&self) -> Option<bool>

Interpret as a bool, if possible

pub fn to_date_time(&self) -> Option<DateTime>

Interpret as a date time, if possible

pub fn to_date(&self) -> Option<Date>

Interpret as a date time, if possible

pub fn into_cow_str(self) -> Cow<'s, str>

Interpret as a Cow str, borrowing if possible

Trait Implementations

impl<'s> Clone for ScalarCow<'s>

fn clone(&self) -> ScalarCow<'s>

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl<'s> Debug for ScalarCow<'s>

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

Formats the value using the given formatter.

impl<'de, 's> Deserialize<'de> for ScalarCow<'s>

fn deserialize<__D>(
    __deserializer: __D
) -> Result<ScalarCow<'s>, <__D as Deserializer<'de>>::Error> where
    __D: Deserializer<'de>, 

Deserialize this value from the given Serde deserializer.

impl<'s> Eq for ScalarCow<'s>

impl<'s> Extend<ScalarCow<'s>> for Path<'s>

fn extend<T>(&mut self, iter: T) where
    T: IntoIterator<Item = ScalarCow<'s>>, 

Extends a collection with the contents of an iterator.

fn extend_one(&mut self, item: A)

🔬 This is a nightly-only experimental API. (extend_one)

Extends a collection with exactly one element.

fn extend_reserve(&mut self, additional: usize)

🔬 This is a nightly-only experimental API. (extend_one)

Reserves capacity in a collection for the given number of additional elements.

impl<'s> From<&'s KString> for ScalarCow<'s>

fn from(s: &'s KString) -> ScalarCow<'s>

Performs the conversion.

impl<'s> From<&'s KStringCow<'s>> for ScalarCow<'s>

fn from(s: &'s KStringCow<'s>) -> ScalarCow<'s>

Performs the conversion.

impl<'s> From<&'s KStringRef<'s>> for ScalarCow<'s>

fn from(s: &'s KStringRef<'s>) -> ScalarCow<'s>

Performs the conversion.

impl<'s> From<&'s String> for ScalarCow<'s>

fn from(s: &'s String) -> ScalarCow<'s>

Performs the conversion.

impl<'s> From<&'s str> for ScalarCow<'s>

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

Performs the conversion.

impl<'s> From<Date> for ScalarCow<'s>

fn from(s: Date) -> ScalarCow<'s>

Performs the conversion.

impl<'s> From<DateTime> for ScalarCow<'s>

fn from(s: DateTime) -> ScalarCow<'s>

Performs the conversion.

impl<'s> From<KString> for ScalarCow<'s>

fn from(s: KString) -> ScalarCow<'s>

Performs the conversion.

impl<'s> From<KStringCow<'s>> for ScalarCow<'s>

fn from(s: KStringCow<'s>) -> ScalarCow<'s>

Performs the conversion.

impl<'s> From<KStringRef<'s>> for ScalarCow<'s>

fn from(s: KStringRef<'s>) -> ScalarCow<'s>

Performs the conversion.

impl From<ScalarCow<'static>> for ValueCow<'static>

fn from(other: ScalarCow<'static>) -> ValueCow<'static>

Performs the conversion.

impl From<ScalarCow<'static>> for Value

fn from(other: ScalarCow<'static>) -> Value

Performs the conversion.

impl<'s> From<String> for ScalarCow<'s>

fn from(s: String) -> ScalarCow<'s>

Performs the conversion.

impl<'s> From<bool> for ScalarCow<'s>

fn from(s: bool) -> ScalarCow<'s>

Performs the conversion.

impl<'s> From<f32> for ScalarCow<'s>

fn from(s: f32) -> ScalarCow<'s>

Performs the conversion.

impl<'s> From<f64> for ScalarCow<'s>

fn from(s: f64) -> ScalarCow<'s>

Performs the conversion.

impl<'s> From<i16> for ScalarCow<'s>

fn from(s: i16) -> ScalarCow<'s>

Performs the conversion.

impl<'s> From<i32> for ScalarCow<'s>

fn from(s: i32) -> ScalarCow<'s>

Performs the conversion.

impl<'s> From<i64> for ScalarCow<'s>

fn from(s: i64) -> ScalarCow<'s>

Performs the conversion.

impl<'s> From<i8> for ScalarCow<'s>

fn from(s: i8) -> ScalarCow<'s>

Performs the conversion.

impl<'s> From<u16> for ScalarCow<'s>

fn from(s: u16) -> ScalarCow<'s>

Performs the conversion.

impl<'s> From<u32> for ScalarCow<'s>

fn from(s: u32) -> ScalarCow<'s>

Performs the conversion.

impl<'s> From<u8> for ScalarCow<'s>

fn from(s: u8) -> ScalarCow<'s>

Performs the conversion.

impl<'s> PartialEq<&'s str> for ScalarCow<'s>

fn eq(&self, other: &&str) -> bool

This method tests for self and other values to be equal, and is used by ==.

#[must_use]fn ne(&self, other: &Rhs) -> bool

This method tests for !=.

impl<'s> PartialEq<Date> for ScalarCow<'s>

fn eq(&self, other: &Date) -> bool

This method tests for self and other values to be equal, and is used by ==.

#[must_use]fn ne(&self, other: &Rhs) -> bool

This method tests for !=.

impl<'s> PartialEq<DateTime> for ScalarCow<'s>

fn eq(&self, other: &DateTime) -> bool

This method tests for self and other values to be equal, and is used by ==.

#[must_use]fn ne(&self, other: &Rhs) -> bool

This method tests for !=.

impl<'s> PartialEq<KString> for ScalarCow<'s>

fn eq(&self, other: &KString) -> bool

This method tests for self and other values to be equal, and is used by ==.

#[must_use]fn ne(&self, other: &Rhs) -> bool

This method tests for !=.

impl<'s> PartialEq<KStringCow<'s>> for ScalarCow<'s>

fn eq(&self, other: &KStringCow<'s>) -> bool

This method tests for self and other values to be equal, and is used by ==.

#[must_use]fn ne(&self, other: &Rhs) -> bool

This method tests for !=.

impl<'s> PartialEq<KStringRef<'s>> for ScalarCow<'s>

fn eq(&self, other: &KStringRef<'s>) -> bool

This method tests for self and other values to be equal, and is used by ==.

#[must_use]fn ne(&self, other: &Rhs) -> bool

This method tests for !=.

impl<'s> PartialEq<ScalarCow<'s>> for ScalarCow<'s>

fn eq(&self, other: &ScalarCow<'s>) -> bool

This method tests for self and other values to be equal, and is used by ==.

#[must_use]fn ne(&self, other: &Rhs) -> bool

This method tests for !=.

impl<'s> PartialEq<String> for ScalarCow<'s>

fn eq(&self, other: &String) -> bool

This method tests for self and other values to be equal, and is used by ==.

#[must_use]fn ne(&self, other: &Rhs) -> bool

This method tests for !=.

impl<'s> PartialEq<bool> for ScalarCow<'s>

fn eq(&self, other: &bool) -> bool

This method tests for self and other values to be equal, and is used by ==.

#[must_use]fn ne(&self, other: &Rhs) -> bool

This method tests for !=.

impl<'s> PartialEq<f32> for ScalarCow<'s>

fn eq(&self, other: &f32) -> bool

This method tests for self and other values to be equal, and is used by ==.

#[must_use]fn ne(&self, other: &Rhs) -> bool

This method tests for !=.

impl<'s> PartialEq<f64> for ScalarCow<'s>

fn eq(&self, other: &f64) -> bool

This method tests for self and other values to be equal, and is used by ==.

#[must_use]fn ne(&self, other: &Rhs) -> bool

This method tests for !=.

impl<'s> PartialEq<i16> for ScalarCow<'s>

fn eq(&self, other: &i16) -> bool

This method tests for self and other values to be equal, and is used by ==.

#[must_use]fn ne(&self, other: &Rhs) -> bool

This method tests for !=.

impl<'s> PartialEq<i32> for ScalarCow<'s>

fn eq(&self, other: &i32) -> bool

This method tests for self and other values to be equal, and is used by ==.

#[must_use]fn ne(&self, other: &Rhs) -> bool

This method tests for !=.

impl<'s> PartialEq<i64> for ScalarCow<'s>

fn eq(&self, other: &i64) -> bool

This method tests for self and other values to be equal, and is used by ==.

#[must_use]fn ne(&self, other: &Rhs) -> bool

This method tests for !=.

impl<'s> PartialEq<i8> for ScalarCow<'s>

fn eq(&self, other: &i8) -> bool

This method tests for self and other values to be equal, and is used by ==.

#[must_use]fn ne(&self, other: &Rhs) -> bool

This method tests for !=.

impl<'s> PartialEq<str> for ScalarCow<'s>

fn eq(&self, other: &str) -> bool

This method tests for self and other values to be equal, and is used by ==.

#[must_use]fn ne(&self, other: &Rhs) -> bool

This method tests for !=.

impl<'s> PartialEq<u16> for ScalarCow<'s>

fn eq(&self, other: &u16) -> bool

This method tests for self and other values to be equal, and is used by ==.

#[must_use]fn ne(&self, other: &Rhs) -> bool

This method tests for !=.

impl<'s> PartialEq<u32> for ScalarCow<'s>

fn eq(&self, other: &u32) -> bool

This method tests for self and other values to be equal, and is used by ==.

#[must_use]fn ne(&self, other: &Rhs) -> bool

This method tests for !=.

impl<'s> PartialEq<u8> for ScalarCow<'s>

fn eq(&self, other: &u8) -> bool

This method tests for self and other values to be equal, and is used by ==.

#[must_use]fn ne(&self, other: &Rhs) -> bool

This method tests for !=.

impl<'s> PartialOrd<Date> for ScalarCow<'s>

fn partial_cmp(&self, other: &Date) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

#[must_use]fn lt(&self, other: &Rhs) -> bool

This method tests less than (for self and other) and is used by the < operator.

#[must_use]fn le(&self, other: &Rhs) -> bool

This method tests less than or equal to (for self and other) and is used by the <= operator.

#[must_use]fn gt(&self, other: &Rhs) -> bool

This method tests greater than (for self and other) and is used by the > operator.

#[must_use]fn ge(&self, other: &Rhs) -> bool

This method tests greater than or equal to (for self and other) and is used by the >= operator.

impl<'s> PartialOrd<DateTime> for ScalarCow<'s>

fn partial_cmp(&self, other: &DateTime) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

#[must_use]fn lt(&self, other: &Rhs) -> bool

This method tests less than (for self and other) and is used by the < operator.

#[must_use]fn le(&self, other: &Rhs) -> bool

This method tests less than or equal to (for self and other) and is used by the <= operator.

#[must_use]fn gt(&self, other: &Rhs) -> bool

This method tests greater than (for self and other) and is used by the > operator.

#[must_use]fn ge(&self, other: &Rhs) -> bool

This method tests greater than or equal to (for self and other) and is used by the >= operator.

impl<'s> PartialOrd<KString> for ScalarCow<'s>

fn partial_cmp(&self, other: &KString) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

#[must_use]fn lt(&self, other: &Rhs) -> bool

This method tests less than (for self and other) and is used by the < operator.

#[must_use]fn le(&self, other: &Rhs) -> bool

This method tests less than or equal to (for self and other) and is used by the <= operator.

#[must_use]fn gt(&self, other: &Rhs) -> bool

This method tests greater than (for self and other) and is used by the > operator.

#[must_use]fn ge(&self, other: &Rhs) -> bool

This method tests greater than or equal to (for self and other) and is used by the >= operator.

impl<'s> PartialOrd<KStringCow<'s>> for ScalarCow<'s>

fn partial_cmp(&self, other: &KStringCow<'s>) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

#[must_use]fn lt(&self, other: &Rhs) -> bool

This method tests less than (for self and other) and is used by the < operator.

#[must_use]fn le(&self, other: &Rhs) -> bool

This method tests less than or equal to (for self and other) and is used by the <= operator.

#[must_use]fn gt(&self, other: &Rhs) -> bool

This method tests greater than (for self and other) and is used by the > operator.

#[must_use]fn ge(&self, other: &Rhs) -> bool

This method tests greater than or equal to (for self and other) and is used by the >= operator.

impl<'s> PartialOrd<KStringRef<'s>> for ScalarCow<'s>

fn partial_cmp(&self, other: &KStringRef<'s>) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

#[must_use]fn lt(&self, other: &Rhs) -> bool

This method tests less than (for self and other) and is used by the < operator.

#[must_use]fn le(&self, other: &Rhs) -> bool

This method tests less than or equal to (for self and other) and is used by the <= operator.

#[must_use]fn gt(&self, other: &Rhs) -> bool

This method tests greater than (for self and other) and is used by the > operator.

#[must_use]fn ge(&self, other: &Rhs) -> bool

This method tests greater than or equal to (for self and other) and is used by the >= operator.

impl<'s> PartialOrd<ScalarCow<'s>> for ScalarCow<'s>

fn partial_cmp(&self, other: &ScalarCow<'s>) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

#[must_use]fn lt(&self, other: &Rhs) -> bool

This method tests less than (for self and other) and is used by the < operator.

#[must_use]fn le(&self, other: &Rhs) -> bool

This method tests less than or equal to (for self and other) and is used by the <= operator.

#[must_use]fn gt(&self, other: &Rhs) -> bool

This method tests greater than (for self and other) and is used by the > operator.

#[must_use]fn ge(&self, other: &Rhs) -> bool

This method tests greater than or equal to (for self and other) and is used by the >= operator.

impl<'s> PartialOrd<String> for ScalarCow<'s>

fn partial_cmp(&self, other: &String) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

#[must_use]fn lt(&self, other: &Rhs) -> bool

This method tests less than (for self and other) and is used by the < operator.

#[must_use]fn le(&self, other: &Rhs) -> bool

This method tests less than or equal to (for self and other) and is used by the <= operator.

#[must_use]fn gt(&self, other: &Rhs) -> bool

This method tests greater than (for self and other) and is used by the > operator.

#[must_use]fn ge(&self, other: &Rhs) -> bool

This method tests greater than or equal to (for self and other) and is used by the >= operator.

impl<'s> PartialOrd<bool> for ScalarCow<'s>

fn partial_cmp(&self, other: &bool) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

#[must_use]fn lt(&self, other: &Rhs) -> bool

This method tests less than (for self and other) and is used by the < operator.

#[must_use]fn le(&self, other: &Rhs) -> bool

This method tests less than or equal to (for self and other) and is used by the <= operator.

#[must_use]fn gt(&self, other: &Rhs) -> bool

This method tests greater than (for self and other) and is used by the > operator.

#[must_use]fn ge(&self, other: &Rhs) -> bool

This method tests greater than or equal to (for self and other) and is used by the >= operator.

impl<'s> PartialOrd<f32> for ScalarCow<'s>

fn partial_cmp(&self, other: &f32) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

#[must_use]fn lt(&self, other: &Rhs) -> bool

This method tests less than (for self and other) and is used by the < operator.

#[must_use]fn le(&self, other: &Rhs) -> bool

This method tests less than or equal to (for self and other) and is used by the <= operator.

#[must_use]fn gt(&self, other: &Rhs) -> bool

This method tests greater than (for self and other) and is used by the > operator.

#[must_use]fn ge(&self, other: &Rhs) -> bool

This method tests greater than or equal to (for self and other) and is used by the >= operator.

impl<'s> PartialOrd<f64> for ScalarCow<'s>

fn partial_cmp(&self, other: &f64) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

#[must_use]fn lt(&self, other: &Rhs) -> bool

This method tests less than (for self and other) and is used by the < operator.

#[must_use]fn le(&self, other: &Rhs) -> bool

This method tests less than or equal to (for self and other) and is used by the <= operator.

#[must_use]fn gt(&self, other: &Rhs) -> bool

This method tests greater than (for self and other) and is used by the > operator.

#[must_use]fn ge(&self, other: &Rhs) -> bool

This method tests greater than or equal to (for self and other) and is used by the >= operator.

impl<'s> PartialOrd<i16> for ScalarCow<'s>

fn partial_cmp(&self, other: &i16) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

#[must_use]fn lt(&self, other: &Rhs) -> bool

This method tests less than (for self and other) and is used by the < operator.

#[must_use]fn le(&self, other: &Rhs) -> bool

This method tests less than or equal to (for self and other) and is used by the <= operator.

#[must_use]fn gt(&self, other: &Rhs) -> bool

This method tests greater than (for self and other) and is used by the > operator.

#[must_use]fn ge(&self, other: &Rhs) -> bool

This method tests greater than or equal to (for self and other) and is used by the >= operator.

impl<'s> PartialOrd<i32> for ScalarCow<'s>

fn partial_cmp(&self, other: &i32) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

#[must_use]fn lt(&self, other: &Rhs) -> bool

This method tests less than (for self and other) and is used by the < operator.

#[must_use]fn le(&self, other: &Rhs) -> bool

This method tests less than or equal to (for self and other) and is used by the <= operator.

#[must_use]fn gt(&self, other: &Rhs) -> bool

This method tests greater than (for self and other) and is used by the > operator.

#[must_use]fn ge(&self, other: &Rhs) -> bool

This method tests greater than or equal to (for self and other) and is used by the >= operator.

impl<'s> PartialOrd<i64> for ScalarCow<'s>

fn partial_cmp(&self, other: &i64) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

#[must_use]fn lt(&self, other: &Rhs) -> bool

This method tests less than (for self and other) and is used by the < operator.

#[must_use]fn le(&self, other: &Rhs) -> bool

This method tests less than or equal to (for self and other) and is used by the <= operator.

#[must_use]fn gt(&self, other: &Rhs) -> bool

This method tests greater than (for self and other) and is used by the > operator.

#[must_use]fn ge(&self, other: &Rhs) -> bool

This method tests greater than or equal to (for self and other) and is used by the >= operator.

impl<'s> PartialOrd<i8> for ScalarCow<'s>

fn partial_cmp(&self, other: &i8) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

#[must_use]fn lt(&self, other: &Rhs) -> bool

This method tests less than (for self and other) and is used by the < operator.

#[must_use]fn le(&self, other: &Rhs) -> bool

This method tests less than or equal to (for self and other) and is used by the <= operator.

#[must_use]fn gt(&self, other: &Rhs) -> bool

This method tests greater than (for self and other) and is used by the > operator.

#[must_use]fn ge(&self, other: &Rhs) -> bool

This method tests greater than or equal to (for self and other) and is used by the >= operator.

impl<'s> PartialOrd<str> for ScalarCow<'s>

fn partial_cmp(&self, other: &str) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

#[must_use]fn lt(&self, other: &Rhs) -> bool

This method tests less than (for self and other) and is used by the < operator.

#[must_use]fn le(&self, other: &Rhs) -> bool

This method tests less than or equal to (for self and other) and is used by the <= operator.

#[must_use]fn gt(&self, other: &Rhs) -> bool

This method tests greater than (for self and other) and is used by the > operator.

#[must_use]fn ge(&self, other: &Rhs) -> bool

This method tests greater than or equal to (for self and other) and is used by the >= operator.

impl<'s> PartialOrd<u16> for ScalarCow<'s>

fn partial_cmp(&self, other: &u16) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

#[must_use]fn lt(&self, other: &Rhs) -> bool

This method tests less than (for self and other) and is used by the < operator.

#[must_use]fn le(&self, other: &Rhs) -> bool

This method tests less than or equal to (for self and other) and is used by the <= operator.

#[must_use]fn gt(&self, other: &Rhs) -> bool

This method tests greater than (for self and other) and is used by the > operator.

#[must_use]fn ge(&self, other: &Rhs) -> bool

This method tests greater than or equal to (for self and other) and is used by the >= operator.

impl<'s> PartialOrd<u32> for ScalarCow<'s>

fn partial_cmp(&self, other: &u32) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

#[must_use]fn lt(&self, other: &Rhs) -> bool

This method tests less than (for self and other) and is used by the < operator.

#[must_use]fn le(&self, other: &Rhs) -> bool

This method tests less than or equal to (for self and other) and is used by the <= operator.

#[must_use]fn gt(&self, other: &Rhs) -> bool

This method tests greater than (for self and other) and is used by the > operator.

#[must_use]fn ge(&self, other: &Rhs) -> bool

This method tests greater than or equal to (for self and other) and is used by the >= operator.

impl<'s> PartialOrd<u8> for ScalarCow<'s>

fn partial_cmp(&self, other: &u8) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

#[must_use]fn lt(&self, other: &Rhs) -> bool

This method tests less than (for self and other) and is used by the < operator.

#[must_use]fn le(&self, other: &Rhs) -> bool

This method tests less than or equal to (for self and other) and is used by the <= operator.

#[must_use]fn gt(&self, other: &Rhs) -> bool

This method tests greater than (for self and other) and is used by the > operator.

#[must_use]fn ge(&self, other: &Rhs) -> bool

This method tests greater than or equal to (for self and other) and is used by the >= operator.

impl<'s> Serialize for ScalarCow<'s>

fn serialize<__S>(
    &self,
    __serializer: __S
) -> Result<<__S as Serializer>::Ok, <__S as Serializer>::Error> where
    __S: Serializer, 

Serialize this value into the given Serde serializer.

impl<'s> ValueView for ScalarCow<'s>

fn as_debug(&self) -> &dyn Debug

Get a Debug representation

fn render(&self) -> DisplayCow

A Display for a BoxedValue rendered for the user.

fn source(&self) -> DisplayCow

A Display for a Value as source code.

fn type_name(&self) -> &'static str

Report the data type (generally for error reporting).

fn query_state(&self, state: State) -> bool

Query the value's state

fn to_kstr(&self) -> KStringCow

Interpret as a string.

fn to_value(&self) -> Value

Convert to an owned type.

fn as_scalar(&self) -> Option<ScalarCow>

Extracts the scalar value if it is a scalar.

fn is_scalar(&self) -> bool

Tests whether this value is a scalar

fn as_array(&self) -> Option<&dyn ArrayView>

Extracts the array value if it is an array.

fn is_array(&self) -> bool

Tests whether this value is an array

fn as_object(&self) -> Option<&dyn ObjectView>

Extracts the object value if it is a object.

fn is_object(&self) -> bool

Tests whether this value is an object

fn as_state(&self) -> Option<State>

Extracts the state if it is one

fn is_state(&self) -> bool

Tests whether this value is state

fn is_nil(&self) -> bool

Tests whether this value is nil