Struct DataEdge 

pub struct DataEdge {
    pub from: u64,
    pub to: u64,
    pub label: String,
    pub source: Option<SourceLocation>,
}

One value transformation observed by the trace. 追踪中观察到的一次值变换。

source is optional only for adapters that cannot provide a callsite; built-in transformation APIs always fill it. source 仅在外部适配器无法提供调用点时为空；内置变换 API 总会填充它。

Fields

from: u64

The source local id this edge leaves. 该边离开的源局部值 id。

to: u64

The destination local id this edge enters. 该边进入的目标局部值 id。

label: String

The transformation kind, for example transform or used by f::p. 变换种类，例如 transform 或 used by f::p。

source: Option<SourceLocation>

The callsite that produced the edge, when one is known. 产生该边的调用点（若可知）。

Trait Implementations

impl Clone for DataEdge

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for DataEdge

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

Formats the value using the given formatter.

impl Eq for DataEdge

impl PartialEq for DataEdge

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for DataEdge