Enum RuntimeError 

pub enum RuntimeError {
    InvalidSlice,
    TooManyArguments {
        expected: usize,
        actual: usize,
    },
    NotEnoughArguments {
        expected: usize,
        actual: usize,
    },
    UnknownFunction(String),
    InvalidType {
        expected: String,
        actual: String,
        position: usize,
    },
    InvalidReturnType {
        expected: String,
        actual: String,
        position: usize,
        invocation: usize,
    },
}

Runtime errors that can occur during expression evaluation.

Variants

InvalidSlice

A slice expression with step of 0.

TooManyArguments

Too many arguments provided to a function.

Fields

expected: usize

actual: usize

NotEnoughArguments

Not enough arguments provided to a function.

Fields

expected: usize

actual: usize

UnknownFunction(String)

An unknown function was called.

InvalidType

Invalid type provided to a function.

Fields

expected: String

actual: String

position: usize

InvalidReturnType

Invalid return type from an expression reference.

Fields

expected: String

actual: String

position: usize

invocation: usize

Trait Implementations

impl Clone for RuntimeError

fn clone(&self) -> RuntimeError

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for RuntimeError

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

Formats the value using the given formatter.

impl Display for RuntimeError

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

Formats the value using the given formatter.

impl Error for RuntimeError

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

Returns the lower-level source of this error, if any.

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

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.

impl PartialEq for RuntimeError

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

Tests for self and other values to be equal, and is used by ==.

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

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

impl StructuralPartialEq for RuntimeError