Enum ReturnError 

pub enum ReturnError {
    NonFiniteReturn,
    NonFinitePrice {
        name: &'static str,
    },
    NonPositiveStartPrice,
    NegativeEndPrice,
    NonPositiveEndPrice,
}

Errors returned by return value construction and price-to-return helpers.

Variants

NonFiniteReturn

Return values must be finite.

NonFinitePrice

Price inputs must be finite.

Fields

name: &'static str

NonPositiveStartPrice

Start prices must be strictly positive.

NegativeEndPrice

End prices must not be negative for simple returns.

NonPositiveEndPrice

End prices must be strictly positive for log returns.

Trait Implementations

impl Clone for ReturnError

fn clone(&self) -> ReturnError

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ReturnError

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

Formats the value using the given formatter.

impl Display for ReturnError

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

Formats the value using the given formatter.

impl Error for ReturnError

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 ReturnError

fn eq(&self, other: &ReturnError) -> 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 Copy for ReturnError

impl Eq for ReturnError

impl StructuralPartialEq for ReturnError