Struct liquid_value::ScalarCow

pub struct ScalarCow<'s>(_);

A Liquid scalar value

Methods

impl<'s> ScalarCow<'s>

pub fn new<T: Into<Self>>(value: T) -> Self

Convert a value into a ScalarCow.

pub fn source(&self) -> ScalarSource

A Display for a Scalar as source code.

pub fn render(&self) -> ScalarRendered

A Display for a Scalar rendered for the user.

pub fn into_owned(self) -> Self

Create an owned version of the value.

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

Create a reference to the value.

pub fn to_str(&self) -> Cow<str>

Interpret as a string.

pub fn into_string(self) -> String

Convert to a string.

pub fn to_integer(&self) -> Option<i32>

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(&self) -> Option<Date>

Interpret as a date, if possible

pub fn is_truthy(&self) -> bool

Evaluate using Liquid "truthiness"

pub fn is_default(&self) -> bool

Whether a default constructed value.

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

Report the data type (generally for error reporting).

Trait Implementations

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

fn from(s: i32) -> Self

Performs the conversion.

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

fn from(s: f64) -> Self

Performs the conversion.

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

fn from(s: bool) -> Self

Performs the conversion.

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

fn from(s: Date) -> Self

Performs the conversion.

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

fn from(s: String) -> Self

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) -> Self

Performs the conversion.

impl<'s> From<Cow<'s, str>> for ScalarCow<'s>

fn from(s: Cow<'s, str>) -> Self

Performs the conversion.

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

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

Extends a collection with the contents of an iterator.

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> Eq for ScalarCow<'s>

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

fn eq(&self, other: &Self) -> 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<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<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<DateTime<FixedOffset>> 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<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> PartialOrd<ScalarCow<'s>> for ScalarCow<'s>

fn partial_cmp(&self, other: &Self) -> 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<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<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<DateTime<FixedOffset>> 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<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> Debug for ScalarCow<'s>

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

Formats the value using the given formatter.

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

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

Serialize this value into the given Serde serializer.

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

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

Deserialize this value from the given Serde deserializer.