枚举 FieldOrder 

pub enum FieldOrder {
    Unknown,
    Progressive,
    TT,
    BB,
    TB,
    BT,
}

Variants

Unknown

Progressive

TT

BB

TB

BT

trait 实现

impl Clone for FieldOrder

fn clone(&self) -> FieldOrder

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 FieldOrder

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<AVFieldOrder> for FieldOrder

fn from(value: AVFieldOrder) -> Self

Converts to this type from the input type.

impl From<FieldOrder> for AVFieldOrder

fn from(value: FieldOrder) -> AVFieldOrder

Converts to this type from the input type.

impl PartialEq for FieldOrder

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

impl Eq for FieldOrder

impl StructuralPartialEq for FieldOrder