Enum AstError 

pub enum AstError {
    NodeNotFound,
    NodeNotModifiable,
    InvalidOperation,
    LanguageSpecific(String),
}

Error type for AST operations.

Variants

NodeNotFound

The operation failed because the node was not found.

NodeNotModifiable

The operation failed because the node is not modifiable.

InvalidOperation

The operation failed because of an invalid operation.

LanguageSpecific(String)

The operation failed because of a language-specific error.

Trait Implementations

impl Debug for AstError

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

Formats the value using the given formatter.

impl Display for AstError

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

Formats the value using the given formatter.

impl Error for AstError

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.