Enum ord_lmdb_zero::error::Error

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pub enum Error {
    Code(c_int),
    NulStr,
    Reopened,
    Mismatch,
    ValRejected(String),
    // some variants omitted
}

Expand description

Error type returned by LMDB.

Variants

`Code(c_int)`

A basic error code returned by LMDB.

The code is generally expected to be a constant defined in the errors module if negative, or a raw platform error code if positive.

`NulStr`

A string path was given which contains a NUL byte.

`Reopened`

An attempt was made to open a database which is already open.

`Mismatch`

An attempt was made to use two items together which cannot be used together.

For example, trying to use a cursor from one transaction to access data in another.

`ValRejected(String)`

A value conversion was rejected. A message explaining why is included.

Trait Implementations

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impl Clone for Error

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fn clone(&self) -> Error

Returns a copy of the value. Read more

1.0.0 · source

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more

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impl Debug for Error

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

Formats the value using the given formatter. Read more

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impl Display for Error

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

Formats the value using the given formatter. Read more

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impl Error for Error

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fn description(&self) -> &str

👎 Deprecated since 1.42.0:

use the Display impl or to_string()

fn source(&self) -> Option<&(dyn Error + 'static)>

The lower-level source of this error, if any. Read more

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fn backtrace(&self) -> Option<&Backtrace>

🔬 This is a nightly-only experimental API. (backtrace)

Returns a stack backtrace, if available, of where this error occurred. Read more

1.0.0 · source

fn cause(&self) -> Option<&dyn Error>

👎 Deprecated since 1.33.0:

replaced by Error::source, which can support downcasting

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impl From<NulError> for Error

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fn from(_: NulError) -> Self

Performs the conversion.

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impl Hash for Error

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

Feeds this value into the given Hasher. Read more

1.3.0 · source

fn hash_slice<H>(data: &[Self], state: &mut H) where
H: Hasher,

Feeds a slice of this type into the given Hasher. Read more

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impl PartialEq<Error> for Error

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fn eq(&self, other: &Error) -> bool

This method tests for self and other values to be equal, and is used by ==. Read more

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fn ne(&self, other: &Error) -> bool

This method tests for !=.

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impl Eq for Error

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impl StructuralEq for Error

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impl StructuralPartialEq for Error

Auto Trait Implementations

impl RefUnwindSafe for Error

impl Send for Error

impl Sync for Error

impl Unpin for Error

impl UnwindSafe for Error

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,

const: unstable · source

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,

const: unstable · source

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

Mutably borrows from an owned value. Read more

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impl<'a, T> DefaultFeatures<'a> for T where
T: 'a + Send + Sync + Clone,

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fn clone_boxed(&self) -> Box<dyn DefaultFeatures<'a> + 'a, Global>

Clone this value, and then immediately put it into a Box behind a trait object of this trait. Read more

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fn self_address_mut(&mut self) -> *mut ()

Returns the address of self. Read more

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impl<T> From<T> for T

const: unstable · source

fn from(t: T) -> T

Returns the argument unchanged.

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

const: unstable · source

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<'a, T> NonSyncFeatures<'a> for T where
T: 'a + Clone,

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fn clone_boxed(&self) -> Box<dyn NonSyncFeatures<'a> + 'a, Global>

Clone this value, and then immediately put it into a Box behind a trait object of this trait. Read more

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fn self_address_mut(&mut self) -> *mut ()

Returns the address of self. Read more

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impl<T> SafeBorrow<T> for T where
T: ?Sized,

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fn borrow_replacement(ptr: &T) -> &T

Given ptr, which was obtained from a prior call to Self::borrow(), return a value with the same nominal lifetime which is guaranteed to survive mutations to Self. Read more

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impl<T> ToOwned for T where
T: Clone,

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)

🔬 This is a nightly-only experimental API. (toowned_clone_into)

Uses borrowed data to replace owned data, usually by cloning. Read more

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impl<T> ToString for T where
T: Display + ?Sized,

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default fn to_string(&self) -> String

Converts the given value to a String. Read more

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

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

fn try_from(value: U) -> Result<T, <T as TryFrom>::Error>

Performs the conversion.

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impl<T, U> TryInto for T where
U: TryFrom<T>,

type Error = >::Error

The type returned in the event of a conversion error.

const: unstable · source

fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

Enum ord_lmdb_zero::error::Error

Variants

Code(c_int)

NulStr

Reopened

Mismatch

ValRejected(String)

Trait Implementations

impl Clone for Error

fn clone(&self) -> Error

fn clone_from(&mut self, source: &Self)

impl Debug for Error

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

impl Display for Error

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

impl Error for Error

fn description(&self) -> &str

fn source(&self) -> Option<&(dyn Error + 'static)>

fn backtrace(&self) -> Option<&Backtrace>

fn cause(&self) -> Option<&dyn Error>

impl From<NulError> for Error

fn from(_: NulError) -> Self

impl Hash for Error

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

fn hash_slice<H>(data: &[Self], state: &mut H) where H: Hasher,

impl PartialEq<Error> for Error

fn eq(&self, other: &Error) -> bool

fn ne(&self, other: &Error) -> bool

impl Eq for Error

impl StructuralEq for Error

impl StructuralPartialEq for Error

Auto Trait Implementations

impl RefUnwindSafe for Error

impl Send for Error

impl Sync for Error

impl Unpin for Error

impl UnwindSafe for Error

Blanket Implementations

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

fn type_id(&self) -> TypeId

impl<T> Borrow<T> for T where T: ?Sized,

fn borrow(&self) -> &T

impl<T> BorrowMut<T> for T where T: ?Sized,

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

impl<'a, T> DefaultFeatures<'a> for T where T: 'a + Send + Sync + Clone,

fn clone_boxed(&self) -> Box<dyn DefaultFeatures<'a> + 'a, Global>

fn self_address_mut(&mut self) -> *mut ()

impl<T> From<T> for T

fn from(t: T) -> T

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

fn into(self) -> U

impl<'a, T> NonSyncFeatures<'a> for T where T: 'a + Clone,

fn clone_boxed(&self) -> Box<dyn NonSyncFeatures<'a> + 'a, Global>

fn self_address_mut(&mut self) -> *mut ()

impl<T> SafeBorrow<T> for T where T: ?Sized,

fn borrow_replacement(ptr: &T) -> &T

impl<T> ToOwned for T where T: Clone,

type Owned = T

fn to_owned(&self) -> T

fn clone_into(&self, target: &mut T)

impl<T> ToString for T where T: Display + ?Sized,

default fn to_string(&self) -> String

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

type Error = Infallible

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

impl<T, U> TryInto<U> for T where U: TryFrom<T>,

type Error = <U as TryFrom<T>>::Error

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

`Code(c_int)`

`NulStr`

`Reopened`

`Mismatch`

`ValRejected(String)`

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

fn hash_slice<H>(data: &[Self], state: &mut H) where
H: Hasher,

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

impl<T> Borrow<T> for T where
T: ?Sized,

impl<T> BorrowMut<T> for T where
T: ?Sized,

impl<'a, T> DefaultFeatures<'a> for T where
T: 'a + Send + Sync + Clone,

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

impl<'a, T> NonSyncFeatures<'a> for T where
T: 'a + Clone,

impl<T> SafeBorrow<T> for T where
T: ?Sized,

impl<T> ToOwned for T where
T: Clone,

impl<T> ToString for T where
T: Display + ?Sized,

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

impl<T, U> TryInto<U> for T where
U: TryFrom<T>,