[−][src]Struct cddl_cat::ivt::Occur
Occurences specify how many times a value can appear.
This implementation wraps the Node that the occurrence applies to.
Fields
limit: OccurLimit
node: Box<Node>
Methods
impl Occur
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pub fn new(limit: OccurLimit, node: Node) -> Occur
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Creates a new Occur from one of the CDDL occurrence chars ?*+
pub fn symbol(&self) -> String
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Get the CDDL symbol for this occurrence.
Returns ?
, *
, +
, or n*m
pub fn limits(&self) -> (usize, usize)
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Return the lower and upper limits on this occurrence
Occurrences can always be represented by an inclusive [lower, upper] count limit.
required => [1, 1] optional "?" => [0, 1] zero-or-more "*" => [0, MAX] one-or-more "+" => [1, MAX]
Trait Implementations
Auto Trait Implementations
impl RefUnwindSafe for Occur
impl Send for Occur
impl Sync for Occur
impl Unpin for Occur
impl UnwindSafe for Occur
Blanket Implementations
impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,
impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
fn borrow_mut(&mut self) -> &mut T
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impl<T> From<T> for T
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impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T> ToOwned for T where
T: Clone,
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T: Clone,
type Owned = T
The resulting type after obtaining ownership.
fn to_owned(&self) -> T
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fn clone_into(&self, target: &mut T)
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impl<T> ToString for T where
T: Display + ?Sized,
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T: Display + ?Sized,
impl<T, U> TryFrom<U> for T where
U: Into<T>,
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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>
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impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,