[−][src]Struct bolero_generator::RngError
Error type of random number generators
In order to be compatible with std
and no_std
, this type has two
possible implementations: with std
a boxed Error
trait object is stored,
while with no_std
we merely store an error code.
Methods
impl Error
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pub const INTERNAL_START: u32
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Codes below this point represent OS Errors (i.e. positive i32 values).
Codes at or above this point, but below [Error::CUSTOM_START
] are
reserved for use by the rand
and getrandom
crates.
pub const CUSTOM_START: u32
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Codes at or above this point can be used by users to define their own custom errors.
pub fn raw_os_error(&self) -> Option<i32>
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Extract the raw OS error code (if this error came from the OS)
This method is identical to std::io::Error::raw_os_error()
, except
that it works in no_std
contexts. If this method returns None
, the
error value can still be formatted via the Diplay
implementation.
pub fn code(&self) -> Option<NonZeroU32>
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Retrieve the error code, if any.
If this Error
was constructed via From<NonZeroU32>
, then this method
will return this NonZeroU32
code (for no_std
this is always the
case). Otherwise, this method will return None
.
Trait Implementations
impl From<NonZeroU32> for Error
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fn from(code: NonZeroU32) -> Error
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impl Debug for Error
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impl Display for Error
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Auto Trait Implementations
impl Unpin for Error
impl Send for Error
impl Sync for Error
impl UnwindSafe for Error
impl RefUnwindSafe for Error
Blanket Implementations
impl<T> From<T> for T
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impl<T, U> TryFrom<U> for T where
U: Into<T>,
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U: Into<T>,
type Error = Infallible
The type returned in the event of a conversion error.
fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,
type Error = <U as TryFrom<T>>::Error
The type returned in the event of a conversion error.
fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>
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impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
fn borrow_mut(&mut self) -> &mut T
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impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,
impl<T> ToString for T where
T: Display + ?Sized,
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T: Display + ?Sized,