Struct Evaluation 

pub struct Evaluation {
    pub result: Option<String>,
    pub error: Option<String>,
    pub stash: Option<String>,
}

The outcome of an evaluation: either a rendered result or an error detail.

Fields

result: Option<String>

JSON-encoded evaluationResult string, when evaluation succeeded.

error: Option<String>

error.message, when the context or template was malformed.

stash: Option<String>

JSON-encoded stash string threaded from the context.