Enum tidb_query_datatype::codec::mysql::decimal::Res

pub enum Res<T> {
    Ok(T),
    Truncated(T),
    Overflow(T),
}

Variants

Ok(T)

Truncated(T)

Overflow(T)

Implementations

impl<T> Res<T>

pub fn map<U, F: FnOnce(T) -> U>(self, f: F) -> Res<U>

pub fn unwrap(self) -> T

pub fn is_ok(&self) -> bool

pub fn is_overflow(&self) -> bool

pub fn is_truncated(&self) -> bool

fn into_result_impl(
    self,
    ctx: &mut EvalContext,
    truncated_err: Option<Error>,
    overflow_err: Option<Error>
) -> Result<T>

Convert Res into Result with an EvalContext that handling the errors If truncated_err is None, ctx will try to handle the default truncated error: Error::truncated(), otherwise handle the specified error inside truncated_err. Same does overflow_err means.

pub fn into_result_with_overflow_err(
    self,
    ctx: &mut EvalContext,
    overflow_err: Error
) -> Result<T>

pub fn into_result(self, ctx: &mut EvalContext) -> Result<T>

Trait Implementations

impl<T: Clone> Clone for Res<T>

fn clone(&self) -> Res<T>

Returns a copy of the value.

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

Performs copy-assignment from source.

impl<T: Copy> Copy for Res<T>

impl<T: Debug> Debug for Res<T>

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

Formats the value using the given formatter.

impl<T> Deref for Res<T>

type Target = T

The resulting type after dereferencing.

fn deref(&self) -> &T

Dereferences the value.

impl<T> DerefMut for Res<T>

fn deref_mut(&mut self) -> &mut T

Mutably dereferences the value.

impl<T> From<Res<T>> for Result<T>

fn from(r: Res<T>) -> Result<T>

Performs the conversion.

impl<T: PartialEq> PartialEq<Res<T>> for Res<T>

fn eq(&self, other: &Res<T>) -> bool

This method tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Res<T>) -> bool

This method tests for !=.

impl<T> StructuralPartialEq for Res<T>