Enum ValidationDiagnostic 

pub enum ValidationDiagnostic {
    Field {
        id: String,
        message: String,
    },
    Form {
        fields: Vec<String>,
        message: String,
    },
}

One problem found while decoding and validating raw answers.

Diagnostics identify fields by stable occurrence path (for fields outside repeatable groups: the stable field ID) and describe the violated rule; they never echo the submitted value, since answers may be sensitive. Independent diagnostics accumulate: a batch submission reports everything actionable in one pass.

Variants

Field

One field occurrence — or one repeatable group’s occurrence count — violates the definition: a missing required answer, a populated inactive field, a failed kind conversion, a constraint violation, a rejected validator, or an occurrence count outside the declared bounds. message describes the violated rule without echoing the submitted value.

Fields

id: String

The occurrence path of the violating field (the group’s occurrence path base for occurrence-bound violations).

message: String

The violated rule, user-facing.

Form

An application whole-form rule was violated.

Fields

fields: Vec<String>

Stable IDs of the fields involved (may be empty).

message: String

The rule’s user-facing message.

Trait Implementations

impl Clone for ValidationDiagnostic

fn clone(&self) -> ValidationDiagnostic

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ValidationDiagnostic

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

Formats the value using the given formatter.

impl Display for ValidationDiagnostic

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

Formats the value using the given formatter.

impl Eq for ValidationDiagnostic

impl Error for ValidationDiagnostic

fn source(&self) -> Option<&(dyn Error + 'static)>

Returns the lower-level source of this error, if any.

fn description(&self) -> &str

👎Deprecated since 1.42.0:

use the Display impl or to_string()

fn cause(&self) -> Option<&dyn Error>

👎Deprecated since 1.33.0:

replaced by Error::source, which can support downcasting

fn provide<'a>(&'a self, request: &mut Request<'a>)

🔬This is a nightly-only experimental API. (error_generic_member_access)

Provides type-based access to context intended for error reports.

impl PartialEq for ValidationDiagnostic

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for ValidationDiagnostic