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FieldKind

Enum FieldKind 

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#[non_exhaustive]
pub enum FieldKind { Text, Secret, Number, Email, Url, Tel, Textarea, Select, Checkbox, Hidden, }
Expand description

What kind of value a form field takes.

The union of the two vocabularies that diverged, which is what triggered this crate. They have since converged on their own: both apps now have a renderFormField emitting the same anatomy, and what is left differing is the kind set, the error shape, and whether the return is a string or a node.

Validation is deliberately absent. Neither app has a shared story (goingson validates after collecting the form data, with per-field transform hooks; Balanced Breakfast has required and nothing else), and a schema that describes fields but not constraints acquires a constraint layer per app, which is exactly how the current divergence started. Naming it absent is a decision; leaving it unmentioned would not be. #[non_exhaustive] for the reason Fill is: renderers match on this and the set keeps growing, so growth must not be a lockstep event. Email, Url and Tel arriving in 0.5.0 is the second growth in two releases.

Variants (Non-exhaustive)§

This enum is marked as non-exhaustive
Non-exhaustive enums could have additional variants added in future. Therefore, when matching against variants of non-exhaustive enums, an extra wildcard arm must be added to account for any future variants.
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Text

A single line of text.

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Secret

A single line of text that must never be echoed, logged or round-tripped through anything that might persist it.

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Number

A number.

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Email

An email address.

Distinct from Text because the distinction is not decoration: a webview renderer emits type="email", which on a touch device changes the keyboard that appears and turns on the platform’s own validation. goingson ships to iOS, so collapsing this into text costs a keyboard with no @ on it.

Added 0.5.0, from goingson’s contact form.

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Url

A URL. Same reasoning as Email.

Added 0.5.0, from goingson’s contact-social and contact-feed forms.

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Tel

A telephone number. Same reasoning as Email, and the clearest case of it: the keyboard is a numeric pad rather than letters.

Added 0.5.0, from goingson’s contact-phone form.

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Textarea

Several lines of text.

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Select

One of a fixed set.

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Checkbox

On or off.

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Hidden

Carried through the form and never shown.

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impl FieldKind

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pub const fn visible(self) -> bool

Whether the field is drawn at all.

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pub const fn confidential(self) -> bool

Whether the value must be kept out of logs and diagnostics.

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pub const fn labels_itself(self) -> bool

Where the field’s own label sits.

A checkbox labels itself on the right of the box; everything else takes a label above. Both webview apps already do this and both special-case it inline, which is the tell that it belongs in the description.

Trait Implementations§

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impl Clone for FieldKind

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fn clone(&self) -> FieldKind

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

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

Performs copy-assignment from source. Read more
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impl Copy for FieldKind

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impl Debug for FieldKind

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

Formats the value using the given formatter. Read more
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impl Eq for FieldKind

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impl Hash for FieldKind

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fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher. Read more
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fn hash_slice<H>(data: &[Self], state: &mut H)
where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher. Read more
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impl PartialEq for FieldKind

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fn eq(&self, other: &FieldKind) -> bool

Equality operator ==. Read more
1.0.0 (const: unstable) · Source§

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=. Read more
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impl StructuralPartialEq for FieldKind

Auto Trait Implementations§

Blanket Implementations§

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

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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

Mutably borrows from an owned value. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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

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fn into(self) -> U

Calls U::from(self).

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

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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.