Struct oso::errors::TypeError

pub struct TypeError {
    pub got: Option<String>,
    pub expected: String,
}

Fields

got: Option<String>

expected: String

Implementations

impl TypeError

pub fn expected<T: Into<String>>(expected: T) -> Self

Create a type error with expected type expected.

pub fn got<T: Into<String>>(self, got: T) -> Self

Set got on self.

pub fn invariant(self) -> InvariantError

Convert self into InvariantError, indicating an invariant that should never occur.

pub fn user(self) -> OsoError

Convert self into OsoError, indicating a user originating type error. For example, calling a method with a paramter of an incorrect type from within Polar.

Trait Implementations

impl Debug for TypeError

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

Formats the value using the given formatter.

impl Display for TypeError

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

Formats the value using the given formatter.

impl Error for TypeError

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

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

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

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

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

fn description(&self) -> &str

👎 Deprecated since 1.42.0:

use the Display impl or to_string()

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

👎 Deprecated since 1.33.0:

replaced by Error::source, which can support downcasting

impl From<TypeError> for InvariantError

fn from(source: TypeError) -> Self

Performs the conversion.