pub struct IsNotNullOperation<'c> { /* private fields */ }
Expand description

An is_not_null operation. Check if a positional value is non-null.

pdl_interp.is_not_null operations check that a positional value or range exists. For ranges, this does not mean that the range was simply empty. On success, this operation branches to the true destination. Otherwise, the false destination is taken.

Example:

pdl_interp.is_not_null %value : !pdl.value -> ^matchDest, ^failureDest

Implementations§

source§

impl<'c> IsNotNullOperation<'c>

source

pub fn name() -> &'static str

Returns a name.

source

pub fn as_operation(&self) -> &Operation<'c>

Returns a generic operation.

source

pub fn builder( context: &'c Context, location: Location<'c> ) -> IsNotNullOperationBuilder<'c, Unset, Unset, Unset>

Creates a builder.

source

pub fn value(&self) -> Result<Value<'c, '_>, Error>

source

pub fn true_dest(&self) -> Result<BlockRef<'c, '_>, Error>

source

pub fn false_dest(&self) -> Result<BlockRef<'c, '_>, Error>

Trait Implementations§

source§

impl<'c> From<IsNotNullOperation<'c>> for Operation<'c>

source§

fn from(operation: IsNotNullOperation<'c>) -> Self

Converts to this type from the input type.
source§

impl<'c> TryFrom<Operation<'c>> for IsNotNullOperation<'c>

§

type Error = Error

The type returned in the event of a conversion error.
source§

fn try_from(operation: Operation<'c>) -> Result<Self, Self::Error>

Performs the conversion.

Auto Trait Implementations§

§

impl<'c> RefUnwindSafe for IsNotNullOperation<'c>

§

impl<'c> !Send for IsNotNullOperation<'c>

§

impl<'c> !Sync for IsNotNullOperation<'c>

§

impl<'c> Unpin for IsNotNullOperation<'c>

§

impl<'c> UnwindSafe for IsNotNullOperation<'c>

Blanket Implementations§

source§

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

source§

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
source§

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

source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
source§

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

source§

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

Mutably borrows from an owned value. Read more
source§

impl<T> From<T> for T

source§

fn from(t: T) -> T

Returns the argument unchanged.

source§

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

source§

fn into(self) -> U

Calls U::from(self).

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

source§

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

§

type Error = Infallible

The type returned in the event of a conversion error.
source§

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

Performs the conversion.
source§

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.
source§

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

Performs the conversion.