枚举 Rounding 

pub enum Rounding {
    Zero,
    Infinity,
    Down,
    Up,
    NearInfinity,
    PassMinMax,
}

Variants

Zero

Infinity

Down

Up

NearInfinity

PassMinMax

trait 实现

impl Clone for Rounding

fn clone(&self) -> Rounding

Returns a duplicate of the value. 阅读更多

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

从 source 执行拷贝赋值。 阅读更多

impl Debug for Rounding

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

使用给定的格式化器格式化该值。 阅读更多

impl From<AVRounding> for Rounding

fn from(value: AVRounding) -> Self

Converts to this type from the input type.

impl From<Rounding> for AVRounding

fn from(value: Rounding) -> AVRounding

Converts to this type from the input type.

impl PartialEq for Rounding

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

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

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

测试 !=。默认实现几乎总是足够的，没有充分理由不应被重写。

impl Copy for Rounding

impl Eq for Rounding

impl StructuralPartialEq for Rounding