Struct FieldRules 

pub struct FieldRules {
    pub required: bool,
    pub min: Option<usize>,
    pub max: Option<usize>,
    pub field_type: Option<String>,
    pub pattern: Option<String>,
    pub match_field: Option<String>,
    pub unique: Option<String>,
    pub error_message: Option<String>,
}

Validation rules for a single form field

Fields

required: bool

Field is required (non-empty)

min: Option<usize>

Minimum length

max: Option<usize>

Maximum length

field_type: Option<String>

Field type validation (email, url, number)

pattern: Option<String>

Regex pattern to match

match_field: Option<String>

Another field that must match this one

unique: Option<String>

DataStore uniqueness check: “collection.field”

error_message: Option<String>

Custom error message

Trait Implementations

impl Clone for FieldRules

fn clone(&self) -> FieldRules

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for FieldRules

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

Formats the value using the given formatter.

impl Default for FieldRules

fn default() -> FieldRules

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for FieldRules

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for FieldRules

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

where __S: Serializer,

Serialize this value into the given Serde serializer.