Trait FieldValidator 

trait FieldValidator {
    // Required method
    fn is_empty(&self) -> bool;
}

Trait for checking if a field is effectively empty.

is_empty(): Checks if the field has no meaningful value

• Used when backend is enabled to validate required fields
• None, Some(""), false, or "" are considered empty

Required Methods

fn is_empty(&self) -> bool

Check if the field is empty (has no meaningful value).

Implementations on Foreign Types

impl FieldValidator for Option<String>

Option fields: None or empty content is empty

fn is_empty(&self) -> bool

impl FieldValidator for Option<SecretString>

Option fields: None or empty secret is empty For secrets, Some(“”) is treated as “not provided” for both checks

fn is_empty(&self) -> bool

impl FieldValidator for bool

Bool fields: false is considered “empty”, true is “provided”

fn is_empty(&self) -> bool

impl FieldValidator for String

String fields: empty if the string is empty

fn is_empty(&self) -> bool

Implementors