Enum Trap 

pub enum Trap {
    DowncastError(&'static str),
    ScriptOutOfBounds,
    MissingGlobal(String),
    Runtime(String),
}

An error which may occur during running a function

Variants

DowncastError(&'static str)

The type of the global differs than the requested type

ScriptOutOfBounds

The script could not execute the given function

MissingGlobal(String)

A variable is missing

Runtime(String)

Another custom runtime error

Implementations

impl Trap

pub fn runtime(err: impl ToString) -> Trap

Create a runtime error

Trait Implementations

impl Debug for Trap

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

Formats the value using the given formatter.

impl Display for Trap

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

Formats the value using the given formatter.

impl Error for Trap

Available on crate feature std only.

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.