Struct StepPreview 

pub struct StepPreview {
    pub step_index: usize,
    pub predicted_effects: Vec<Effect>,
    pub estimated_duration_ms: Option<u64>,
    pub diff: Option<String>,
    pub warnings: Vec<String>,
    pub preview_unsupported_reason: Option<String>,
    pub ext: Option<Value>,
}

Preview output for a single step.

Fields

step_index: usize

Index of this step within the proposal’s steps array.

predicted_effects: Vec<Effect>

Predicted effects.

estimated_duration_ms: Option<u64>

Estimated duration in milliseconds.

diff: Option<String>

Optional human-readable diff.

warnings: Vec<String>

Warnings produced during preview.

preview_unsupported_reason: Option<String>

If this step’s preview was unsupported, the reason.

ext: Option<Value>

v0.3: non-normative extension fields (ext.* namespace). Standardized shapes: cost_estimate (CostEstimate).

Trait Implementations

impl Clone for StepPreview

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 StepPreview

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for StepPreview

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for StepPreview

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

where __S: Serializer,

Serialize this value into the given Serde serializer.