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Value

Enum Value 

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pub enum Value {
    Noval,
    Null,
    Bool(bool),
    Num(f64),
    Str(String),
    List(VList),
    Map(VMap),
    Func(NativeFn),
    Sentinel(&'static Sentinel),
}

Variants§

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Noval

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Null

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Bool(bool)

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Num(f64)

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Str(String)

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List(VList)

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Map(VMap)

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Func(NativeFn)

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Sentinel(&'static Sentinel)

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impl Value

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pub fn list(items: Vec<Value>) -> Value

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pub fn empty_list() -> Value

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pub fn map(entries: OrderedMap<Value>) -> Value

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pub fn empty_map() -> Value

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pub fn map_of<I: IntoIterator<Item = (String, Value)>>(pairs: I) -> Value

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pub fn func<F>(f: F) -> Value
where F: Fn(&Inj, &Value, &str, &Value) -> Value + 'static,

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pub fn str<S: Into<String>>(s: S) -> Value

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pub fn skip() -> Value

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pub fn delete() -> Value

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pub fn is_noval(&self) -> bool

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pub fn is_null(&self) -> bool

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pub fn is_nullish(&self) -> bool

JS null == val — true for both undefined and JSON null.

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pub fn is_skip(&self) -> bool

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pub fn is_delete(&self) -> bool

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

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

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

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pub fn as_list(&self) -> Option<&VList>

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pub fn as_map(&self) -> Option<&VMap>

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pub fn as_func(&self) -> Option<&NativeFn>

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pub fn truthy(&self) -> bool

Truthy in the JS sense (used rarely; mostly for predicate returns).

Trait Implementations§

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impl Clone for Value

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fn clone(&self) -> Value

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

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

Performs copy-assignment from source. Read more
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impl Debug for Value

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

Formats the value using the given formatter. Read more
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impl From<&str> for Value

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fn from(s: &str) -> Value

Converts to this type from the input type.
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impl From<String> for Value

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fn from(s: String) -> Value

Converts to this type from the input type.
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impl<T: Into<Value>> From<Vec<T>> for Value

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fn from(v: Vec<T>) -> Value

Converts to this type from the input type.
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impl From<bool> for Value

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fn from(b: bool) -> Value

Converts to this type from the input type.
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impl From<f64> for Value

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fn from(n: f64) -> Value

Converts to this type from the input type.
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impl From<i32> for Value

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fn from(n: i32) -> Value

Converts to this type from the input type.
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impl From<i64> for Value

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fn from(n: i64) -> Value

Converts to this type from the input type.
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impl From<usize> for Value

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fn from(n: usize) -> Value

Converts to this type from the input type.
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impl PartialEq for Value

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

Equality operator ==. Read more
1.0.0 (const: unstable) · Source§

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=. Read more

Auto Trait Implementations§

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impl !RefUnwindSafe for Value

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impl !Send for Value

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impl !Sync for Value

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impl !UnwindSafe for Value

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impl Freeze for Value

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impl Unpin for Value

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impl UnsafeUnpin for Value

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = !

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, !>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.