枚举 Discard 

pub enum Discard {
    None,
    Default,
    NonReference,
    Bidirectional,
    NonIntra,
    NonKey,
    All,
}

Variants

None

Default

NonReference

Bidirectional

NonIntra

NonKey

All

trait 实现

impl Clone for Discard

fn clone(&self) -> Discard

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 Discard

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<AVDiscard> for Discard

fn from(value: AVDiscard) -> Self

Converts to this type from the input type.

impl From<Discard> for AVDiscard

fn from(value: Discard) -> AVDiscard

Converts to this type from the input type.

impl PartialEq for Discard

fn eq(&self, other: &Discard) -> 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 Discard

impl Eq for Discard

impl StructuralPartialEq for Discard