ConstVal

Enum ConstVal

pub enum ConstVal {
    Invalid,
    Nil,
    Bool(bool),
    Number(f64),
    String(RcStr),
    List(Vec<ConstVal>),
}

Expand description

Describes a parse time constant value

Variants§

Invalid

Nil

Bool(bool)

Number(f64)

String(RcStr)

List(Vec<ConstVal>)

Trait Implementations§

impl Clone for ConstVal

fn clone(&self) -> ConstVal

Returns a duplicate of the value. Read more

1.0.0 · Source§

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

Performs copy-assignment from source. Read more

impl Debug for ConstVal

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

Formats the value using the given formatter. Read more

impl Display for ConstVal

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

Formats the value using the given formatter. Read more

impl From<&ConstVal> for Value

fn from(cv: &ConstVal) -> Value

Converts to this type from the input type.

impl From<&RcStr> for ConstVal

fn from(s: &RcStr) -> ConstVal

Converts to this type from the input type.

impl From<&String> for ConstVal

fn from(s: &String) -> ConstVal

Converts to this type from the input type.

impl From<&str> for ConstVal

fn from(s: &str) -> ConstVal

Converts to this type from the input type.

impl From<[ConstVal; 0]> for ConstVal

fn from(_: [ConstVal; 0]) -> ConstVal

Converts to this type from the input type.

impl<T> From<[T; 1]> for ConstVal
where T: Clone, ConstVal: From<T>,

fn from(arr: [T; 1]) -> ConstVal

Converts to this type from the input type.

impl<T> From<[T; 2]> for ConstVal
where T: Clone, ConstVal: From<T>,

fn from(arr: [T; 2]) -> ConstVal

Converts to this type from the input type.

impl<T> From<[T; 3]> for ConstVal
where T: Clone, ConstVal: From<T>,

fn from(arr: [T; 3]) -> ConstVal

Converts to this type from the input type.

impl<T> From<[T; 4]> for ConstVal
where T: Clone, ConstVal: From<T>,

fn from(arr: [T; 4]) -> ConstVal

Converts to this type from the input type.

impl<T> From<[T; 5]> for ConstVal
where T: Clone, ConstVal: From<T>,

fn from(arr: [T; 5]) -> ConstVal

Converts to this type from the input type.

impl<T> From<[T; 6]> for ConstVal
where T: Clone, ConstVal: From<T>,

fn from(arr: [T; 6]) -> ConstVal

Converts to this type from the input type.

impl<T> From<[T; 7]> for ConstVal
where T: Clone, ConstVal: From<T>,

fn from(arr: [T; 7]) -> ConstVal

Converts to this type from the input type.

impl<T> From<[T; 8]> for ConstVal
where T: Clone, ConstVal: From<T>,

fn from(arr: [T; 8]) -> ConstVal

Converts to this type from the input type.

impl From<()> for ConstVal

fn from(_: ()) -> ConstVal

Converts to this type from the input type.

impl From<ConstVal> for Value

fn from(cv: ConstVal) -> Value

Converts to this type from the input type.

impl From<RcStr> for ConstVal

fn from(s: RcStr) -> ConstVal

Converts to this type from the input type.

impl From<bool> for ConstVal

fn from(x: bool) -> ConstVal

Converts to this type from the input type.

impl From<f32> for ConstVal

fn from(x: f32) -> ConstVal

Converts to this type from the input type.

impl From<f64> for ConstVal

fn from(x: f64) -> ConstVal

Converts to this type from the input type.

impl From<i16> for ConstVal

fn from(x: i16) -> ConstVal

Converts to this type from the input type.

impl From<i32> for ConstVal

fn from(x: i32) -> ConstVal

Converts to this type from the input type.

impl From<i64> for ConstVal

fn from(x: i64) -> ConstVal

Converts to this type from the input type.

impl From<i8> for ConstVal

fn from(x: i8) -> ConstVal

Converts to this type from the input type.

impl From<isize> for ConstVal

fn from(x: isize) -> ConstVal

Converts to this type from the input type.

impl From<u16> for ConstVal

fn from(x: u16) -> ConstVal

Converts to this type from the input type.

impl From<u32> for ConstVal

fn from(x: u32) -> ConstVal

Converts to this type from the input type.

impl From<u64> for ConstVal

fn from(x: u64) -> ConstVal

Converts to this type from the input type.

impl From<u8> for ConstVal

fn from(x: u8) -> ConstVal

Converts to this type from the input type.

impl From<usize> for ConstVal

fn from(x: usize) -> ConstVal

Converts to this type from the input type.

Auto Trait Implementations§

impl Freeze for ConstVal

impl RefUnwindSafe for ConstVal

impl !Send for ConstVal

impl !Sync for ConstVal

impl Unpin for ConstVal

impl UnwindSafe for ConstVal

Blanket Implementations§

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

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

impl<T> Borrow<T> for T
where T: ?Sized,

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

impl<T> BorrowMut<T> for T
where T: ?Sized,

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

Mutably borrows from an owned value. Read more

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

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

impl<T> From<T> for T

fn from(t: T) -> T

Returns the argument unchanged.

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

fn into(self) -> U

Calls U::from(self).

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

impl<T> Same for T

type Output = T

Should always be Self

impl<T> SetParameter for T

fn set<T>(&mut self, value: T) -> <T as Parameter<Self>>::Result
where T: Parameter<Self>,

Sets value as a parameter of self.

impl<SS, SP> SupersetOf<SS> for SP
where SS: SubsetOf<SP>,

fn to_subset(&self) -> Option<SS>

The inverse inclusion map: attempts to construct self from the equivalent element of its superset. Read more

fn is_in_subset(&self) -> bool

Checks if self is actually part of its subset T (and can be converted to it).

unsafe fn to_subset_unchecked(&self) -> SS

Use with care! Same as self.to_subset but without any property checks. Always succeeds.

fn from_subset(element: &SS) -> SP

The inclusion map: converts self to the equivalent element of its superset.

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

type Owned = T

The resulting type after obtaining ownership.

fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more

impl<T> ToString for T
where T: Display + ?Sized,

fn to_string(&self) -> String

Converts the given value to a String. Read more

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

type Error = Infallible

The type returned in the event of a conversion error.

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.

impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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

The type returned in the event of a conversion error.

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.

impl<V, T> VZip<V> for T
where V: MultiLane<T>,

fn vzip(self) -> V