Enum SubstitutionError 

pub enum SubstitutionError {
    InvalidVariable(String),
    UndefinedVariable(String),
}

Error type for snippet substitution failures.

Variants

InvalidVariable(String)

Variable name is empty or invalid

UndefinedVariable(String)

Variable is not defined (built-in or custom)

Trait Implementations

impl Clone for SubstitutionError

fn clone(&self) -> SubstitutionError

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for SubstitutionError

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

Formats the value using the given formatter.

impl Display for SubstitutionError

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

Formats the value using the given formatter.

impl Error for SubstitutionError

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.