Skip to main content

ValidityFlags

Struct ValidityFlags 

Source
pub struct ValidityFlags {
    pub value_missing: bool,
    pub type_mismatch: bool,
    pub pattern_mismatch: bool,
    pub too_long: bool,
    pub too_short: bool,
    pub range_overflow: bool,
    pub range_underflow: bool,
    pub step_mismatch: bool,
    pub bad_input: bool,
    pub custom_error: bool,
}
Expand description

ValidityState(HTML5 制約検証)の個別フラグ。以前は element.validityvalid/valueMissing/customError の3つしか公開せず、input.validity. patternMismatch/.typeMismatch/.rangeOverflow 等、特定の制約だけを狙い撃ちして カスタムエラーメッセージを出し分ける定番パターンが常に undefined(falsy)に なっていた。

Fields§

§value_missing: bool§type_mismatch: bool§pattern_mismatch: bool§too_long: bool§too_short: bool§range_overflow: bool§range_underflow: bool§step_mismatch: bool§bad_input: bool§custom_error: bool

Implementations§

Trait Implementations§

Source§

impl Default for ValidityFlags

Source§

fn default() -> ValidityFlags

Returns the “default value” for a type. Read more

Auto Trait Implementations§

Blanket Implementations§

Source§

impl<T> Any for T
where T: 'static + ?Sized,

Source§

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
Source§

impl<T> Borrow<T> for T
where T: ?Sized,

Source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
Source§

impl<T> BorrowMut<T> for T
where T: ?Sized,

Source§

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
Source§

impl<T> From<T> for T

Source§

fn from(t: T) -> T

Returns the argument unchanged.

Source§

impl<T, U> Into<U> for T
where U: From<T>,

Source§

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

Source§

impl<T> Same for T

Source§

type Output = T

Should always be Self
Source§

impl<T, U> TryFrom<U> for T
where U: Into<T>,

Source§

type Error = Infallible

The type returned in the event of a conversion error.
Source§

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
Source§

impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

Source§

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
Source§

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.