Enum Observation 

pub enum Observation {
    Observed,
    Unobserved,
}

Whether a local value came from a live trace or a static inference. 局部值来自实时追踪还是静态推断。

Variants

Observed

The value was captured while the traced code ran. 被追踪代码运行时捕获到的值。

Unobserved

The value is a static inference and was never seen at runtime. 由静态推断得出、运行时从未观测到的值。

Implementations

impl Observation

pub const fn label(self) -> &'static str

The lowercase token this state prints as in rendered output. 该状态在渲染输出中打印的小写标记。

Trait Implementations

impl Clone for Observation

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for Observation

impl Debug for Observation

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

Formats the value using the given formatter.

impl Eq for Observation

impl PartialEq for Observation

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for Observation