Enum Error 

pub enum Error {
    UnknownVariable(String),
    UnknownFunction(String),
    BinaryTypeMismatch {
        op: BinOp,
        left: Type,
        right: Type,
    },
    UnaryTypeMismatch {
        op: UnaryOp,
        operand: Type,
    },
    WrongArgCount {
        func: String,
        expected: usize,
        got: usize,
    },
    FunctionTypeMismatch {
        func: String,
        expected: Vec<Type>,
        got: Vec<Type>,
    },
    UnsupportedTypeForConditional(Type),
    NegativeExponent,
}

Linalg evaluation error.

Variants

UnknownVariable(String)

Unknown variable.

UnknownFunction(String)

Unknown function.

BinaryTypeMismatch

Type mismatch for binary operation.

Fields

op: BinOp

left: Type

right: Type

UnaryTypeMismatch

Type mismatch for unary operation.

Fields

op: UnaryOp

operand: Type

WrongArgCount

Wrong number of arguments to function.

Fields

func: String

expected: usize

got: usize

FunctionTypeMismatch

Type mismatch in function arguments.

Fields

func: String

expected: Vec<Type>

got: Vec<Type>

UnsupportedTypeForConditional(Type)

Conditionals require scalar types.

NegativeExponent

Negative exponent for integer power.

Trait Implementations

impl Clone for Error

fn clone(&self) -> Error

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Error

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

Formats the value using the given formatter.

impl Display for Error

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

Formats the value using the given formatter.

impl Error for Error

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.

impl PartialEq for Error

fn eq(&self, other: &Error) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl StructuralPartialEq for Error