Struct cfn::Value

pub struct Value<T>(_);

Value that a property can assume.

This can either be a literal value, or an invocation of an instrinsic function.

Methods

impl<T> Value<T>

pub fn new(value: T) -> Value<T>

Create a new value.

pub fn reference<S: Into<String>>(id: S) -> Value<T>

Create a new value backed by a reference.

pub fn expression(expr: Expr) -> Value<T>

Create a new value backed by an expression.

pub fn as_value(&self) -> Option<&T>

If the value contains a literal value, return Some.

Return None otherwise.

pub fn as_reference(&self) -> Option<&str>

If the value is a reference, return Some.

Return None otherwise.

pub fn as_expression(&self) -> Option<&Expr>

If the value is an expression, return Some.

Return None otherwise.

Trait Implementations

impl<T: Debug> Debug for Value<T>

fn fmt(&self, __arg_0: &mut Formatter) -> Result

Formats the value using the given formatter.

impl<T: Default> Default for Value<T>

fn default() -> Value<T>

Returns the "default value" for a type.

impl<T> From<T> for Value<T>

fn from(value: T) -> Value<T>

Performs the conversion.

impl<T: SerializeValue> Serialize for Value<T>

fn serialize<S: Serializer>(&self, s: S) -> Result<S::Ok, S::Error>

Serialize this value into the given Serde serializer.

impl<'de, T: DeserializeValue> Deserialize<'de> for Value<T>

fn deserialize<D: Deserializer<'de>>(d: D) -> Result<Self, D::Error>

Deserialize this value from the given Serde deserializer.

impl<T> FromIterator<Value<T>> for ValueList<T>

fn from_iter<I>(iter: I) -> ValueList<T> where
    I: IntoIterator<Item = Value<T>>, 

Creates a value from an iterator.