Struct ValidationResult 

pub struct ValidationResult {
    pub success: bool,
    pub errors: Vec<String>,
    pub typed_errors: Vec<ValidationError>,
}

Result of validating an AppDataDoc against its schema.

Contains both human-readable error strings (for logging / display) and typed ValidationError values (for programmatic inspection). An empty typed_errors list means the document is valid.

Obtain an instance via validate_app_data_doc or MetadataApi::validate_app_data_doc.

Example

use cow_app_data::{AppDataDoc, validate_app_data_doc};

let result = validate_app_data_doc(&AppDataDoc::new("OK"));
assert!(result.is_valid());
assert!(!result.has_errors());
assert_eq!(result.error_count(), 0);

Fields

success: bool

Whether the document is valid (no errors found).

errors: Vec<String>

Human-readable validation errors (empty when success is true).

Kept as Vec<String> for backwards compatibility with callers that only inspect the string messages; typed errors are in Self::typed_errors.

typed_errors: Vec<ValidationError>

Structured, typed constraint violations (empty when success is true).

Implementations

impl ValidationResult

pub const fn new(success: bool, errors: Vec<String>) -> Self

Construct a ValidationResult from a success flag and human-readable error list.

The typed_errors field is initialised to an empty Vec. Callers typically use validate_app_data_doc instead, which populates both the string errors and typed errors automatically.

Parameters

• success — whether the document is valid.
• errors — human-readable error messages.

Returns

A new ValidationResult with an empty typed_errors list.

pub const fn is_valid(&self) -> bool

Returns true when validation succeeded (no errors).

Equivalent to checking typed_errors.is_empty(), but stored as a precomputed flag for convenience.

pub const fn has_errors(&self) -> bool

Returns true when at least one constraint violation was found.

The inverse of is_valid.

pub const fn error_count(&self) -> usize

Returns the number of typed constraint violations.

Returns

0 when the document is valid, > 0 otherwise.

pub fn errors_ref(&self) -> &[ValidationError]

Returns a slice of all typed constraint violations.

Use this for programmatic inspection of validation errors. Each ValidationError variant carries enough context to build a diagnostic message.

Returns

An empty slice when the document is valid.

pub fn first_error(&self) -> Option<&ValidationError>

Returns the first typed constraint violation, if any.

Useful for quick “fail on first error” workflows.

Returns

None when the document is valid, Some(&error) otherwise.

Trait Implementations

impl Clone for ValidationResult

fn clone(&self) -> ValidationResult

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ValidationResult

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

Formats the value using the given formatter.

impl Display for ValidationResult

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

Formats the value using the given formatter.