Struct regex_syntax::ast::Flags[][src]

pub struct Flags {
    pub span: Span,
    pub items: Vec<FlagsItem>,
}

A group of flags.

This corresponds only to the sequence of flags themselves, e.g., is-u.

Fields

span: Span

The span of this group of flags.

items: Vec<FlagsItem>

A sequence of flag items. Each item is either a flag or a negation operator.

Implementations

impl Flags[src]

pub fn add_item(&mut self, item: FlagsItem) -> Option<usize>[src]

Add the given item to this sequence of flags.

If the item was added successfully, then None is returned. If the given item is a duplicate, then Some(i) is returned, where items[i].kind == item.kind.

pub fn flag_state(&self, flag: Flag) -> Option<bool>[src]

Returns the state of the given flag in this set.

If the given flag is in the set but is negated, then Some(false) is returned.

If the given flag is in the set and is not negated, then Some(true) is returned.

Otherwise, None is returned.

Trait Implementations

impl Clone for Flags[src]

impl Debug for Flags[src]

impl Eq for Flags[src]

impl PartialEq<Flags> for Flags[src]

impl StructuralEq for Flags[src]

impl StructuralPartialEq for Flags[src]

Auto Trait Implementations

impl RefUnwindSafe for Flags

impl Send for Flags

impl Sync for Flags

impl Unpin for Flags

impl UnwindSafe for Flags

Blanket Implementations

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

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

impl<T, U> TryFrom<U> for T where
    U: Into<T>, 
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type Error = Infallible

The type returned in the event of a conversion error.

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.