Enum lexical_core::write_float_options::RoundMode

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pub enum RoundMode {
    Round,
    Truncate,
}

Expand description

Enumeration for how to round floats with precision control.

Variants

`Round`

Round to the nearest float string with the given number of significant digits.

`Truncate`

Truncate the float string with the given number of significant digits.

Implementations

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impl RoundMode

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pub const fn prefer_round_down(&self, significand: u64) -> bool

Determine if we should round down.

Trait Implementations

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impl Clone for RoundMode

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fn clone(&self) -> RoundMode

Returns a copy of the value. Read more

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

Performs copy-assignment from source. Read more

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impl Debug for RoundMode

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

Formats the value using the given formatter. Read more

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impl PartialEq<RoundMode> for RoundMode

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

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

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

This method tests for !=.

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impl StructuralPartialEq for RoundMode

Auto Trait Implementations

impl RefUnwindSafe for RoundMode

impl Send for RoundMode

impl Sync for RoundMode

impl Unpin for RoundMode

impl UnwindSafe for RoundMode

Blanket Implementations

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impl<T> Any for T where
T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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impl<T> Borrow<T> for T where
T: ?Sized,

const: unstable · source

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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impl<T> BorrowMut<T> for T where
T: ?Sized,

const: unstable · source

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

Mutably borrows from an owned value. Read more

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impl<T> From<T> for T

const: unstable · source

fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into for T where
U: From<T>,

const: unstable · source

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> ToOwned for T where
T: Clone,

type Owned = T

The resulting type after obtaining ownership.

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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

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fn clone_into(&self, target: &mut T)

🔬 This is a nightly-only experimental API. (toowned_clone_into)

Uses borrowed data to replace owned data, usually by cloning. Read more

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impl<T, U> TryFrom for T where
U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

fn try_from(value: U) -> Result<T, <T as TryFrom>::Error>

Performs the conversion.

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impl<T, U> TryInto for T where
U: TryFrom<T>,

type Error = >::Error

The type returned in the event of a conversion error.

const: unstable · source

fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

Enum lexical_core::write_float_options::RoundMode

Variants

Round

Truncate

Implementations

impl RoundMode

pub const fn prefer_round_down(&self, significand: u64) -> bool

Trait Implementations

impl Clone for RoundMode

fn clone(&self) -> RoundMode

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

impl Debug for RoundMode

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

impl PartialEq<RoundMode> for RoundMode

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

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

impl Copy for RoundMode

impl Eq for RoundMode

impl StructuralEq for RoundMode

impl StructuralPartialEq for RoundMode

Auto Trait Implementations

impl RefUnwindSafe for RoundMode

impl Send for RoundMode

impl Sync for RoundMode

impl Unpin for RoundMode

impl UnwindSafe for RoundMode

Blanket Implementations

impl<T> Any for T where T: 'static + ?Sized,

fn type_id(&self) -> TypeId

impl<T> Borrow<T> for T where T: ?Sized,

fn borrow(&self) -> &T

impl<T> BorrowMut<T> for T where T: ?Sized,

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

impl<T> From<T> for T

fn from(t: T) -> T

impl<T, U> Into<U> for T where U: From<T>,

fn into(self) -> U

impl<T> ToOwned for T where T: Clone,

type Owned = T

fn to_owned(&self) -> T

fn clone_into(&self, target: &mut T)

impl<T, U> TryFrom<U> for T where U: Into<T>,

type Error = Infallible

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

impl<T, U> TryInto<U> for T where U: TryFrom<T>,

type Error = <U as TryFrom<T>>::Error

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

`Round`

`Truncate`

impl<T> Any for T where
T: 'static + ?Sized,

impl<T> Borrow<T> for T where
T: ?Sized,

impl<T> BorrowMut<T> for T where
T: ?Sized,

impl<T, U> Into<U> for T where
U: From<T>,

impl<T> ToOwned for T where
T: Clone,

impl<T, U> TryFrom<U> for T where
U: Into<T>,

impl<T, U> TryInto<U> for T where
U: TryFrom<T>,