Enum RollError

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pub enum RollError {
    DieTypeInvalid,
    DiceExceedLimit,
    NoDiceToRoll,
    ParsingError,
}
Expand description

The different types of errors that may occur trying to construct a Roll from a given input string.

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DieTypeInvalid

Signifies that the inputted die type did not match any of the valid types.

Valid die types are: d2, d4, d6, d8, d10, d12, d20, d100

§Example

use die_parser::{Roll, RollError};

let invalid_roll = Roll::parse_roll("1d50");
assert_eq!(invalid_roll, Err(RollError::DieTypeInvalid));
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DiceExceedLimit

Signifies that the requested amount of dice exceeded the set limit.

§Example

use die_parser::{Roll, RollError};

let invalid_roll = Roll::parse_roll("9001d20");
assert_eq!(invalid_roll, Err(RollError::DiceExceedLimit));
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NoDiceToRoll

Signifies that the requested amount of dice was less than 1.

§Example

use die_parser::{Roll, RollError};

let invalid_roll = Roll::parse_roll("0d20");
assert_eq!(invalid_roll, Err(RollError::NoDiceToRoll));
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ParsingError

Signifies that the input string was malformed.

§Example

use die_parser::{Roll, RollError};

let invalid_roll = Roll::parse_roll("4invalid_charactersd20+5");
assert_eq!(invalid_roll, Err(RollError::ParsingError));

Trait Implementations§

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impl Debug for RollError

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

Formats the value using the given formatter. Read more
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impl Display for RollError

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

Formats the value using the given formatter. Read more
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impl Error for RollError

1.30.0 · Source§

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

Returns the lower-level source of this error, if any. Read more
1.0.0 · Source§

fn description(&self) -> &str

👎Deprecated since 1.42.0: use the Display impl or to_string()
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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fn provide<'a>(&'a self, request: &mut Request<'a>)

🔬This is a nightly-only experimental API. (error_generic_member_access)
Provides type-based access to context intended for error reports. Read more
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impl PartialEq for RollError

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

Tests for self and other values to be equal, and is used by ==.
1.0.0 · Source§

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl StructuralPartialEq for RollError

Auto Trait Implementations§

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,

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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,

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

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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

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

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fn to_string(&self) -> String

Converts the given value to a String. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.