Struct build_env::VarError [−][src]
Describes a variable retrieval failure
Trait Implementations
impl<K: AsRef<OsStr> + Debug + Any> Error for VarError<K>
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impl<K: AsRef<OsStr> + Debug + Any> Error for VarError<K>
[src]fn description(&self) -> &str
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fn description(&self) -> &str
[src]👎 Deprecated since 1.42.0:
use the Display impl or to_string()
fn source(&self) -> Option<&(dyn Error + 'static)>
1.30.0[src]
fn source(&self) -> Option<&(dyn Error + 'static)>
1.30.0[src]The lower-level source of this error, if any. Read more
impl<K: Eq + AsRef<OsStr>> Eq for VarError<K>
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impl<K: AsRef<OsStr>> StructuralEq for VarError<K>
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impl<K: AsRef<OsStr>> StructuralPartialEq for VarError<K>
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Auto Trait Implementations
impl<K> RefUnwindSafe for VarError<K> where
K: RefUnwindSafe,
K: RefUnwindSafe,
impl<K> Send for VarError<K> where
K: Send,
K: Send,
impl<K> Sync for VarError<K> where
K: Sync,
K: Sync,
impl<K> Unpin for VarError<K> where
K: Unpin,
K: Unpin,
impl<K> UnwindSafe for VarError<K> where
K: UnwindSafe,
K: UnwindSafe,
Blanket Implementations
impl<T> BorrowMut<T> for T where
T: ?Sized,
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impl<T> BorrowMut<T> for T where
T: ?Sized,
[src]pub fn borrow_mut(&mut self) -> &mut T
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pub fn borrow_mut(&mut self) -> &mut T
[src]Mutably borrows from an owned value. Read more
impl<T> ToOwned for T where
T: Clone,
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impl<T> ToOwned for T where
T: Clone,
[src]type Owned = T
type Owned = T
The resulting type after obtaining ownership.
pub fn to_owned(&self) -> T
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pub fn to_owned(&self) -> T
[src]Creates owned data from borrowed data, usually by cloning. Read more
pub fn clone_into(&self, target: &mut T)
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pub fn clone_into(&self, target: &mut T)
[src]🔬 This is a nightly-only experimental API. (toowned_clone_into
)
recently added
Uses borrowed data to replace owned data, usually by cloning. Read more