Enum ConstraintError 

pub enum ConstraintError {
    InvalidPattern(String),
    InvalidSchema(String),
    Violated {
        token: u32,
        reason: String,
    },
}

Errors that can arise when building or running a token constraint.

Variants

InvalidPattern(String)

The supplied regex pattern was syntactically invalid.

InvalidSchema(String)

The supplied JSON schema was invalid (reserved for future schema-based constraints).

Violated

The constraint was violated at a specific token.

Fields

token: u32

reason: String

Trait Implementations

impl Debug for ConstraintError

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

Formats the value using the given formatter.

impl Display for ConstraintError

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

Formats the value using the given formatter.

impl Error for ConstraintError

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.