Struct ra_ap_hir_expand::ValueResult
source · pub struct ValueResult<T, E> {
pub value: T,
pub err: Option<E>,
}
Fields§
§value: T
§err: Option<E>
Implementations§
source§impl<T, E> ValueResult<T, E>
impl<T, E> ValueResult<T, E>
pub fn new(value: T, err: E) -> ValueResult<T, E>
pub fn ok(value: T) -> ValueResult<T, E>
pub fn only_err(err: E) -> ValueResult<T, E>where
T: Default,
pub fn zip_val<U>(self, other: U) -> ValueResult<(T, U), E>
pub fn map<U>(self, f: impl FnOnce(T) -> U) -> ValueResult<U, E>
pub fn map_err<E2>(self, f: impl FnOnce(E) -> E2) -> ValueResult<T, E2>
pub fn result(self) -> Result<T, E>
Trait Implementations§
source§impl<T, E> Clone for ValueResult<T, E>
impl<T, E> Clone for ValueResult<T, E>
source§fn clone(&self) -> ValueResult<T, E>
fn clone(&self) -> ValueResult<T, E>
Returns a copy of the value. Read more
1.0.0 · source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from
source
. Read moresource§impl<T, E> Debug for ValueResult<T, E>
impl<T, E> Debug for ValueResult<T, E>
source§impl<T, E> From<Result<T, E>> for ValueResult<T, E>where
T: Default,
impl<T, E> From<Result<T, E>> for ValueResult<T, E>where
T: Default,
source§fn from(result: Result<T, E>) -> ValueResult<T, E>
fn from(result: Result<T, E>) -> ValueResult<T, E>
Converts to this type from the input type.
source§impl<T, E> PartialEq for ValueResult<T, E>
impl<T, E> PartialEq for ValueResult<T, E>
source§fn eq(&self, other: &ValueResult<T, E>) -> bool
fn eq(&self, other: &ValueResult<T, E>) -> bool
This method tests for
self
and other
values to be equal, and is used
by ==
.impl<T, E> Eq for ValueResult<T, E>
impl<T, E> StructuralPartialEq for ValueResult<T, E>
Auto Trait Implementations§
impl<T, E> Freeze for ValueResult<T, E>
impl<T, E> RefUnwindSafe for ValueResult<T, E>where
T: RefUnwindSafe,
E: RefUnwindSafe,
impl<T, E> Send for ValueResult<T, E>
impl<T, E> Sync for ValueResult<T, E>
impl<T, E> Unpin for ValueResult<T, E>
impl<T, E> UnwindSafe for ValueResult<T, E>where
T: UnwindSafe,
E: UnwindSafe,
Blanket Implementations§
source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
source§impl<Q, K> Equivalent<K> for Q
impl<Q, K> Equivalent<K> for Q
source§impl<Q, K> Equivalent<K> for Q
impl<Q, K> Equivalent<K> for Q
source§fn equivalent(&self, key: &K) -> bool
fn equivalent(&self, key: &K) -> bool
Compare self to
key
and return true
if they are equal.source§impl<T> Instrument for T
impl<T> Instrument for T
source§fn instrument(self, span: Span) -> Instrumented<Self>
fn instrument(self, span: Span) -> Instrumented<Self>
source§fn in_current_span(self) -> Instrumented<Self>
fn in_current_span(self) -> Instrumented<Self>
source§impl<T> IntoEither for T
impl<T> IntoEither for T
source§fn into_either(self, into_left: bool) -> Either<Self, Self>
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 moresource§fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
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