jni_utils::exceptions

Struct TryCatchResult

pub struct TryCatchResult<'a: 'b, 'b, T> { /* private fields */ }

Expand description

Result from try_block. This object can be chained into catch calls to catch exceptions. When finished with the try/catch sequence, the result can be obtained from result.

Implementations§

impl<'a: 'b, 'b, T> TryCatchResult<'a, 'b, T>

pub fn catch( self, class: impl Desc<'a, JClass<'a>>, block: impl FnOnce(JThrowable<'a>) -> Result<T, Error>, ) -> Self

Attempt to catch an exception thrown by try_block. If the thrown exception matches the given class, the block is executed. If no exception was thrown by try_block, or if the exception does not match the given class, the block is not executed.

§Arguments

class - Exception class to match.
block - Block of JNI code to run.

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

Get the result of the try/catch sequence. If try_block succeeded, or if one of the catch calls succeeded, its result is returned.

Auto Trait Implementations§

impl<'a, 'b, T> Freeze for TryCatchResult<'a, 'b, T>
where T: Freeze,

impl<'a, 'b, T> RefUnwindSafe for TryCatchResult<'a, 'b, T>
where T: RefUnwindSafe,

impl<'a, 'b, T> !Send for TryCatchResult<'a, 'b, T>

impl<'a, 'b, T> !Sync for TryCatchResult<'a, 'b, T>

impl<'a, 'b, T> Unpin for TryCatchResult<'a, 'b, T>
where T: Unpin,

impl<'a, 'b, T> UnwindSafe for TryCatchResult<'a, 'b, T>
where T: UnwindSafe,

Blanket Implementations§

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

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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

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

Mutably borrows from an owned value. Read more

impl<'a, T> Desc<'a, T> for T

fn lookup(self, _: &JNIEnv<'a>) -> Result<T, Error>

Look up the concrete type from the JVM.

impl<T> From<T> for T

fn from(t: T) -> T

Returns the argument unchanged.

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

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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

Performs the conversion.

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

Performs the conversion.