Enum ArrowKey 

pub enum ArrowKey {
    Up,
    Down,
    Left,
    Right,
}

事件处理相关功能 方向键

Variants

Up

上

Down

下

Left

左

Right

右

Trait Implementations

impl Debug for ArrowKey

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for ArrowKey

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl PartialEq for ArrowKey

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

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

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Serialize for ArrowKey

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl Eq for ArrowKey

impl StructuralPartialEq for ArrowKey