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Exception

scheme_rs::exceptions

Struct Exception

pub struct Exception(pub Value);

Expand description

A signal of some sort of erroneous condition.

Tuple Fields§

§0: Value

Implementations§

impl Exception

pub fn error(message: impl Display) -> Self

pub fn syntax(form: Syntax, subform: Option<Syntax>) -> Self

pub fn undefined(ident: Identifier) -> Self

pub fn type_error(expected: &str, provided: &str) -> Self

pub fn invalid_operator(provided: &str) -> Self

pub fn invalid_index(index: usize, len: usize) -> Self

pub fn invalid_range(range: Range<usize>, len: usize) -> Self

pub fn wrong_num_of_unicode_chars(expected: usize, provided: usize) -> Self

pub fn wrong_num_of_args(expected: usize, provided: usize) -> Self

pub fn wrong_num_of_var_args(expected: Range<usize>, provided: usize) -> Self

pub fn implementation_restriction(msg: impl Display) -> Self

pub fn conversion_error(expected: &str, provided: &str) -> Self

For when we cannot convert a value into the requested type.

Example: Integer to a Complex

pub fn not_representable(value: &str, type: &str) -> Self

For when we cannot represent the value into the requested type.

Example: an u128 number as an u8

pub fn io_error(message: impl Display) -> Self

pub fn io_read_error(message: impl Display) -> Self

pub fn io_write_error(message: impl Display) -> Self

pub fn invalid_record_index(k: usize) -> Self

pub fn add_condition(self, condition: impl SchemeCompatible) -> Self

pub fn simple_conditions(&self) -> Result<Vec<Value>, Exception>

pub fn condition<T: SchemeCompatible>(&self) -> Result<Option<Gc<T>>, Exception>

Trait Implementations§

impl Clone for Exception

fn clone(&self) -> Exception

Returns a duplicate of the value. Read more

1.0.0 · Source§

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

Performs copy-assignment from source. Read more

impl Debug for Exception

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

Formats the value using the given formatter. Read more

impl Display for Exception

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

Formats the value using the given formatter. Read more

impl From<Error> for Exception

fn from(value: Error) -> Self

Converts to this type from the input type.

impl From<Exception> for LexerError

fn from(error: Exception) -> Self

Converts to this type from the input type.

impl From<Exception> for Value

fn from(value: Exception) -> Self

Converts to this type from the input type.

impl From<Infallible> for Exception

fn from(infallible: Infallible) -> Self

Converts to this type from the input type.

impl From<Message> for Exception

fn from(message: Message) -> Self

Converts to this type from the input type.

impl From<ParseSyntaxError> for Exception

fn from(error: ParseSyntaxError) -> Self

Converts to this type from the input type.

impl From<Serious> for Exception

fn from(serious: Serious) -> Self

Converts to this type from the input type.

impl From<SimpleCondition> for Exception

fn from(simple: SimpleCondition) -> Self

Converts to this type from the input type.

impl<T> From<T> for Exception
where CompoundCondition: From<T>,

fn from(value: T) -> Self

Converts to this type from the input type.

impl From<TryFromIntError> for Exception

fn from(e: TryFromIntError) -> Self

Converts to this type from the input type.

impl From<Warning> for Exception

fn from(warning: Warning) -> Self

Converts to this type from the input type.

Auto Trait Implementations§

impl Freeze for Exception

impl RefUnwindSafe for Exception

impl Send for Exception

impl Sync for Exception

impl Unpin for Exception

impl UnwindSafe for Exception

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<T> CloneToUninit for T
where T: Clone,

unsafe fn clone_to_uninit(&self, dest: *mut u8)

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

Performs copy-assignment from self to dest. Read more

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

fn exact_from(value: T) -> U

impl<T, U> ExactInto<U> for T
where U: ExactFrom<T>,

fn exact_into(self) -> U

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> IntoEither for T

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 more

fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

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

impl<T, U> OverflowingInto<U> for T
where U: OverflowingFrom<T>,

fn overflowing_into(self) -> (U, bool)

impl<T, U> RoundingInto<U> for T
where U: RoundingFrom<T>,

fn rounding_into(self, rm: RoundingMode) -> (U, Ordering)

impl<T> Same for T

type Output = T

Should always be Self

impl<T, U> SaturatingInto<U> for T
where U: SaturatingFrom<T>,

fn saturating_into(self) -> U

impl<T> ToDebugString for T
where T: Debug,

fn to_debug_string(&self) -> String

Returns the String produced by Ts Debug implementation.

§Examples

use malachite_base::strings::ToDebugString;

assert_eq!([1, 2, 3].to_debug_string(), "[1, 2, 3]");
assert_eq!(
    [vec![2, 3], vec![], vec![4]].to_debug_string(),
    "[[2, 3], [], [4]]"
);
assert_eq!(Some(5).to_debug_string(), "Some(5)");

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

type Owned = T

The resulting type after obtaining ownership.

fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

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

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

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

fn to_string(&self) -> String

Converts the given value to a String. Read more

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.

impl<V, T> VZip<V> for T
where V: MultiLane<T>,

fn vzip(self) -> V

impl<T, U> WrappingInto<U> for T
where U: WrappingFrom<T>,

fn wrapping_into(self) -> U