Enum DirectiveError 

pub enum DirectiveError {
    MissingDirectiveArgument(String),
    UndefinedVariable(String),
    VariableTypeMismatch(String),
    InvalidDirectiveArgument,
    CustomDirectiveError(String),
    UnknownDirective(String),
    InvalidDirectiveLocation(String, String),
}

Errors that can occur during directive evaluation.

Variants

MissingDirectiveArgument(String)

Indicates that a required directive argument was missing.

UndefinedVariable(String)

Indicates that a referenced variable is undefined.

VariableTypeMismatch(String)

Indicates that a variable type does not match the directive argument type.

InvalidDirectiveArgument

Indicates that a directive argument value is invalid.

CustomDirectiveError(String)

Indicates a custom directive processing error.

UnknownDirective(String)

Indicates that a directive is not registered.

InvalidDirectiveLocation(String, String)

Indicates that directive location is invalid.

Trait Implementations

impl Debug for DirectiveError

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

Formats the value using the given formatter.

impl Display for DirectiveError

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

Formats the value using the given formatter.

impl Error for DirectiveError

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.