Enum NumericComparisonError 

#[non_exhaustive]
pub enum NumericComparisonError {
    LeftMissing {
        declared: DataType,
    },
    RightMissing {
        declared: DataType,
    },
    LeftNotNumeric {
        actual: DataType,
    },
    RightNotNumeric {
        actual: DataType,
    },
    LeftNaN,
    RightNaN,
    BothNaN,
}

Describes why two crate::Value instances cannot be numerically ordered.

Examples

use qubit_datatype::NumericComparisonPolicy;
use qubit_value::{NumericComparisonError, Value};

let error = Value::from("text")
    .numeric_cmp(&Value::from(1_i32), NumericComparisonPolicy::Exact)
    .unwrap_err();
assert!(matches!(error, NumericComparisonError::LeftNotNumeric { .. }));

Variants (Non-exhaustive)

Non-exhaustive enums could have additional variants added in future. Therefore, when matching against variants of non-exhaustive enums, an extra wildcard arm must be added to account for any future variants.

LeftMissing

The left operand is unset but retains a declared type.

Fields

declared: DataType

Declared runtime type of the unset left operand.

RightMissing

The right operand is unset but retains a declared type.

Fields

declared: DataType

Declared runtime type of the unset right operand.

LeftNotNumeric

The concrete left operand is not numeric.

Fields

actual: DataType

Actual runtime type of the left operand.

RightNotNumeric

The concrete right operand is not numeric.

Fields

actual: DataType

Actual runtime type of the right operand.

LeftNaN

Only the left operand is NaN.

RightNaN

Only the right operand is NaN.

BothNaN

Both operands are NaN.

Trait Implementations

impl Clone for NumericComparisonError

fn clone(&self) -> NumericComparisonError

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for NumericComparisonError

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

Formats the value using the given formatter.

impl Display for NumericComparisonError

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

Formats the value using the given formatter.

impl Eq for NumericComparisonError

impl Error for NumericComparisonError

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 NumericComparisonError

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for NumericComparisonError