ParseResult

nessie_parse

Enum ParseResult 

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pub enum ParseResult<T, E, F = ()> {
    Ok(T, Pos),
    Fail(F, Pos),
    Err(E, Pos),
}

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Ok(T, Pos)

Called on a successful parse!

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Fail(F, Pos)

The parser could not parse the input, perhaps another parser could. (This is used to implement backtracking)

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Err(E, Pos)

The parser expected it could succeed, but it did not.

Trait Implementations§

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impl<T: Clone, E: Clone, F: Clone> Clone for ParseResult<T, E, F>

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fn clone(&self) -> ParseResult<T, E, F>

Returns a duplicate of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl<T: Debug, E: Debug, F: Debug> Debug for ParseResult<T, E, F>

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

Formats the value using the given formatter. Read more
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impl<T: Hash, E: Hash, F: Hash> Hash for ParseResult<T, E, F>

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

Feeds this value into the given Hasher. Read more
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fn hash_slice<H>(data: &[Self], state: &mut H)
where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher. Read more
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impl<T: PartialEq, E: PartialEq, F: PartialEq> PartialEq for ParseResult<T, E, F>

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fn eq(&self, other: &ParseResult<T, E, F>) -> bool

Tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl<T: Copy, E: Copy, F: Copy> Copy for ParseResult<T, E, F>

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impl<T: Eq, E: Eq, F: Eq> Eq for ParseResult<T, E, F>

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impl<T, E, F> StructuralPartialEq for ParseResult<T, E, F>

Auto Trait Implementations§

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impl<T, E, F> Freeze for ParseResult<T, E, F>
where T: Freeze, F: Freeze, E: Freeze,

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impl<T, E, F> RefUnwindSafe for ParseResult<T, E, F>
where T: RefUnwindSafe, F: RefUnwindSafe, E: RefUnwindSafe,

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impl<T, E, F> Send for ParseResult<T, E, F>
where T: Send, F: Send, E: Send,

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impl<T, E, F> Sync for ParseResult<T, E, F>
where T: Sync, F: Sync, E: Sync,

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impl<T, E, F> Unpin for ParseResult<T, E, F>
where T: Unpin, F: Unpin, E: Unpin,

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impl<T, E, F> UnwindSafe for ParseResult<T, E, F>
where T: UnwindSafe, F: UnwindSafe, E: UnwindSafe,

Blanket Implementations§

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

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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

Mutably borrows from an owned value. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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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
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impl<F1, F2> CombineFail<'_, F2, ()> for F1

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fn combine_fail(self, _: State<'_>, _: F2, _: State<'_>)

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impl<F1, F2> CombineFail<'_, F2, (F1, F2)> for F1

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fn combine_fail(self, _: State<'_>, other: F2, _: State<'_>) -> (F1, F2)

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impl<'a, F1, F2> CombineFail<'a, F2, (F1, State<'a>, F2, State<'a>)> for F1

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fn combine_fail( self, s1: State<'a>, other: F2, s2: State<'a>, ) -> (F1, State<'a>, F2, State<'a>)

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impl<F> CombineManyFail<'_, ()> for F

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fn combine_many_fail(_: Vec<(F, State<'_>)>)

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impl<F> CombineManyFail<'_, Vec<F>> for F

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fn combine_many_fail(fails: Vec<(F, State<'_>)>) -> Vec<F>

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impl<'a, F> CombineManyFail<'a, Vec<(F, State<'a>)>> for F

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fn combine_many_fail(fails: Vec<(F, State<'_>)>) -> Vec<(F, State<'_>)>

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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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

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fn into(self) -> U

Calls U::from(self).

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

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impl<T> Mutate for T

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fn mutate<F>(self, f: F) -> Self
where Self: Sized, F: FnOnce(&mut Self),

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impl<X> Pipe for X

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fn pipe<Return, Function>(self, f: Function) -> Return
where Self: Sized, Function: FnOnce(Self) -> Return,

Apply f to self. Read more
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fn pipe_ref<'a, Return, Function>(&'a self, f: Function) -> Return
where Function: FnOnce(&'a Self) -> Return,

Apply f to &self. Read more
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fn pipe_mut<'a, Return, Function>(&'a mut self, f: Function) -> Return
where Function: FnOnce(&'a mut Self) -> Return,

Apply f to &mut self. Read more
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fn pipe_as_ref<'a, Param, Return, Function>(&'a self, f: Function) -> Return
where Self: AsRef<Param>, Param: 'a + ?Sized, Function: FnOnce(&'a Param) -> Return,

Apply f to &self where f takes a single parameter of type Param and Self implements trait AsRef<Param>. Read more
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fn pipe_as_mut<'a, Param, Return, Function>(&'a mut self, f: Function) -> Return
where Self: AsMut<Param>, Param: 'a + ?Sized, Function: FnOnce(&'a mut Param) -> Return,

Apply f to &mut self where f takes a single parameter of type Param and Self implements trait AsMut<Param>. Read more
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fn pipe_deref<'a, Param, Return, Function>(&'a self, f: Function) -> Return
where Self: Deref<Target = Param>, Param: 'a + ?Sized, Function: FnOnce(&'a Param) -> Return,

Apply f to &self where f takes a single parameter of type Param and Self implements trait Deref<Target = Param>. Read more
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fn pipe_deref_mut<'a, Param, Return, Function>( &'a mut self, f: Function, ) -> Return
where Self: DerefMut<Target = Param>, Param: 'a + ?Sized, Function: FnOnce(&'a mut Param) -> Return,

Apply f to &mut self where f takes a single parameter of type Param and Self implements trait DerefMut<Target = Param>. Read more
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fn pipe_borrow<'a, Param, Return, Function>(&'a self, f: Function) -> Return
where Self: Borrow<Param>, Param: 'a + ?Sized, Function: FnOnce(&'a Param) -> Return,

Apply f to &self where f takes a single parameter of type Param and Self implements trait Borrow<Param>. Read more
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fn pipe_borrow_mut<'a, Param, Return, Function>( &'a mut self, f: Function, ) -> Return
where Self: BorrowMut<Param>, Param: 'a + ?Sized, Function: FnOnce(&'a mut Param) -> Return,

Apply f to &mut self where f takes a single parameter of type Param and Self implements trait BorrowMut<Param>. Read more
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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.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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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.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

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

Performs the conversion.