trait Decoder 

pub trait Decoder {
    // Required method
    fn decoder(self) -> Option<Codec>;
}

必需方法

fn decoder(self) -> Option<Codec>

对外部类型的实现

impl Decoder for &str

fn decoder(self) -> Option<Codec>

impl Decoder for Option<Codec>

fn decoder(self) -> Option<Codec>

实现者

impl Decoder for Id

impl Decoder for Audio

impl Decoder for Codec

impl Decoder for Video