Enum amplify_syn::ValueClass[][src]

pub enum ValueClass {
    Literal(LiteralClass),
    Type(TypeClass),
}
Expand description

Constrains for attribute value type

Variants

Literal(LiteralClass)

The value must be a literal matching given literal constraints (see [ConstrainedLit])

Type(TypeClass)

The value must be of a native rust type matching given type constraints (see [ConstrainedType])

Implementations

impl ValueClass[src]

pub fn str() -> ValueClass[src]

Convenience constructor creating ValueClass::Literal(LiteralClass::Str)

pub fn byte_str() -> ValueClass[src]

Convenience constructor creating ValueClass::Literal(LiteralClass::ByteStr)

pub fn byte() -> ValueClass[src]

Convenience constructor creating ValueClass::Literal(LiteralClass::Byte)

pub fn int() -> ValueClass[src]

Convenience constructor creating ValueClass::Literal(LiteralClass::Int)

pub fn float() -> ValueClass[src]

Convenience constructor creating ValueClass::Literal(LiteralClass::Float)

pub fn char() -> ValueClass[src]

Convenience constructor creating ValueClass::Literal(LiteralClass::Char)

pub fn bool() -> ValueClass[src]

Convenience constructor creating ValueClass::Literal(LiteralClass::Bool)

impl ValueClass[src]

pub fn check(
    self,
    value: &ArgValue,
    attr: impl ToString,
    arg: impl ToString
) -> Result<(), Error>
[src]

Checks the value against value class requirements, generating Error if the requirements are not met.

Trait Implementations

impl Clone for ValueClass[src]

fn clone(&self) -> ValueClass[src]

Returns a copy of the value. Read more

fn clone_from(&mut self, source: &Self)1.0.0[src]

Performs copy-assignment from source. Read more

impl Debug for ValueClass[src]

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

Formats the value using the given formatter. Read more

impl From<&'_ Lit> for ValueClass[src]

fn from(lit: &Lit) -> Self[src]

Performs the conversion.

impl From<&'_ Type> for ValueClass[src]

fn from(ty: &Type) -> Self[src]

Performs the conversion.

impl From<Lit> for ValueClass[src]

fn from(lit: Lit) -> Self[src]

Performs the conversion.

impl From<Type> for ValueClass[src]

fn from(ty: Type) -> Self[src]

Performs the conversion.

impl Hash for ValueClass[src]

fn hash<__H: Hasher>(&self, state: &mut __H)[src]

Feeds this value into the given Hasher. Read more

fn hash_slice<H>(data: &[Self], state: &mut H) where
    H: Hasher
1.3.0[src]

Feeds a slice of this type into the given Hasher. Read more

impl Ord for ValueClass[src]

fn cmp(&self, other: &ValueClass) -> Ordering[src]

This method returns an Ordering between self and other. Read more

#[must_use]
fn max(self, other: Self) -> Self
1.21.0[src]

Compares and returns the maximum of two values. Read more

#[must_use]
fn min(self, other: Self) -> Self
1.21.0[src]

Compares and returns the minimum of two values. Read more

#[must_use]
fn clamp(self, min: Self, max: Self) -> Self
1.50.0[src]

Restrict a value to a certain interval. Read more

impl PartialEq<ValueClass> for ValueClass[src]

fn eq(&self, other: &ValueClass) -> bool[src]

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

fn ne(&self, other: &ValueClass) -> bool[src]

This method tests for !=.

impl PartialOrd<ValueClass> for ValueClass[src]

fn partial_cmp(&self, other: &ValueClass) -> Option<Ordering>[src]

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

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

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

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

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

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

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

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

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

impl Copy for ValueClass[src]

impl Eq for ValueClass[src]

impl StructuralEq for ValueClass[src]

impl StructuralPartialEq for ValueClass[src]

Auto Trait Implementations

Blanket Implementations

impl<T> Any for T where
    T: 'static + ?Sized
[src]

pub fn type_id(&self) -> TypeId[src]

Gets the TypeId of self. Read more

impl<T> Borrow<T> for T where
    T: ?Sized
[src]

pub fn borrow(&self) -> &T[src]

Immutably borrows from an owned value. Read more

impl<T> BorrowMut<T> for T where
    T: ?Sized
[src]

pub fn borrow_mut(&mut self) -> &mut T[src]

Mutably borrows from an owned value. Read more

impl<T> From<T> for T[src]

pub fn from(t: T) -> T[src]

Performs the conversion.

impl<T, U> Into<U> for T where
    U: From<T>, 
[src]

pub fn into(self) -> U[src]

Performs the conversion.

impl<T> ToOwned for T where
    T: Clone
[src]

type Owned = T

The resulting type after obtaining ownership.

pub fn to_owned(&self) -> T[src]

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

pub fn clone_into(&self, target: &mut T)[src]

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

recently added

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

impl<T, U> TryFrom<U> for T where
    U: Into<T>, 
[src]

type Error = Infallible

The type returned in the event of a conversion error.

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

Performs the conversion.

impl<T, U> TryInto<U> for T where
    U: TryFrom<T>, 
[src]

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

The type returned in the event of a conversion error.

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

Performs the conversion.