Struct mbe::ValueResult

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pub struct ValueResult<T, E> {
    pub value: T,
    pub err: Option<E>,
}

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§value: T§err: Option<E>

Implementations§

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impl<T, E> ValueResult<T, E>

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pub fn new(value: T, err: E) -> Self

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pub fn ok(value: T) -> Self

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pub fn only_err(err: E) -> Self
where T: Default,

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pub fn zip_val<U>(self, other: U) -> ValueResult<(T, U), E>

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pub fn map<U>(self, f: impl FnOnce(T) -> U) -> ValueResult<U, E>

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pub fn map_err<E2>(self, f: impl FnOnce(E) -> E2) -> ValueResult<T, E2>

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pub fn result(self) -> Result<T, E>

Trait Implementations§

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impl<T: Clone, E: Clone> Clone for ValueResult<T, E>

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

Returns a copy 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> Debug for ValueResult<T, E>

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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: Default, E> Default for ValueResult<T, E>

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fn default() -> Self

Returns the “default value” for a type. Read more
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impl<T: Default, E> From<Result<T, E>> for ValueResult<T, E>

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fn from(result: Result<T, E>) -> Self

Converts to this type from the input type.
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impl<T: PartialEq, E: PartialEq> PartialEq for ValueResult<T, E>

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fn eq(&self, other: &ValueResult<T, E>) -> 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: Eq, E: Eq> Eq for ValueResult<T, E>

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impl<T, E> StructuralPartialEq for ValueResult<T, E>

Auto Trait Implementations§

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impl<T, E> Freeze for ValueResult<T, E>
where T: Freeze, E: Freeze,

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impl<T, E> RefUnwindSafe for ValueResult<T, E>

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impl<T, E> Send for ValueResult<T, E>
where T: Send, E: Send,

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impl<T, E> Sync for ValueResult<T, E>
where T: Sync, E: Sync,

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impl<T, E> Unpin for ValueResult<T, E>
where T: Unpin, E: Unpin,

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impl<T, E> UnwindSafe for ValueResult<T, E>
where T: 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, dst: *mut T)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dst. Read more
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impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Checks if this value is equivalent to the given key. Read more
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impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Compare self to key and return true if they are equal.
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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> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided [Span], returning an Instrumented wrapper. Read more
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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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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> IntoBox<dyn Any> for T
where T: Any,

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fn into_box(self) -> Box<dyn Any>

Convert self into the appropriate boxed form.
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impl<T> IntoBox<dyn Any + Send> for T
where T: Any + Send,

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fn into_box(self) -> Box<dyn Any + Send>

Convert self into the appropriate boxed form.
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impl<T> IntoBox<dyn Any + Sync + Send> for T
where T: Any + Send + Sync,

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fn into_box(self) -> Box<dyn Any + Sync + Send>

Convert self into the appropriate boxed form.
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impl<T> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. 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.
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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a [WithDispatch] wrapper. Read more
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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a [WithDispatch] wrapper. Read more