Struct FormState 

pub struct FormState { /* private fields */ }

Form values + validators + the errors produced by the last validation.

Implementations

impl FormState

pub fn new() -> Self

pub fn field(self, name: &'static str, initial: impl Into<String>) -> Self

Register a field with an initial value (builder form).

pub fn validator(self, name: &'static str, validator: Validator) -> Self

Attach a validator to a field (builder form).

pub fn value(&self, name: &str) -> &str

The current value of a field (empty string if unset).

pub fn set(&mut self, name: &'static str, value: impl Into<String>)

Set a field’s value and clear its error.

pub fn validate_field(&mut self, name: &'static str) -> bool

Validate one field, recording or clearing its error. Returns validity.

pub fn validate(&mut self) -> bool

Validate every field with a validator. Returns whether all passed.

pub fn error(&self, name: &str) -> Option<&str>

The error message for a field, if the last validation produced one.

pub fn is_valid(&self) -> bool

Whether there are no recorded errors.

Trait Implementations

impl Default for FormState

fn default() -> FormState

Returns the “default value” for a type.