Modifier

Enum Modifier 

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pub enum Modifier<'a> {
    Builtin {
        is_negative: bool,
        value: &'a str,
    },
    Arbitrary {
        prefix: &'a str,
        hint: &'a str,
        value: Cow<'a, str>,
    },
}
Expand description

The modifier is the rest of the selector after the namespace, it is used to clarify the CSS needed to be generated.

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Builtin

A builtin static modifier (e.g. bg-red-500).

Fields

§is_negative: bool

Whether the value is negative (e.g. -translate-2 is negative).

§value: &'a str

The inner value of the modifier.

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Arbitrary

A dynamic modifier capable of automatically generating a rule from a CSS value (e.g. bg-[rgb(12_12_12)]).

All underscores in the value will be replaced by spaces except in url(), if you really want to keep one of them, you can prefix it with a backslash \_ and it will be used as is.

Sometimes the value is ambiguous, for example bg-[var(--foo)] can be handled by either the background color or the background size utility. In this case, you need to provide a CSS type hint (see the list of hints below) before the arbitrary value. For example bg-[length:var(--foo)] will generate background-size: var(--foo); (using the background size utility).

List of all type hints:

  • color
  • length
  • line-width
  • image
  • url
  • position
  • percentage
  • number
  • generic-name
  • family-name
  • absolute-size
  • relative-size
  • shadow

Fields

§prefix: &'a str

The rest of the modifier without the arbitrary value (e.g. bg in bg-[rgb(12_12_12)]).

§hint: &'a str

The type hint needed for ambiguous values.

§value: Cow<'a, str>

The inner value of the modifier.

All escaped characters (prefixed by a backslash) are already unescaped.

Trait Implementations§

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impl<'a> Clone for Modifier<'a>

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fn clone(&self) -> Modifier<'a>

Returns a duplicate of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl<'a> Debug for Modifier<'a>

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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<'a> PartialEq for Modifier<'a>

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fn eq(&self, other: &Modifier<'a>) -> bool

Tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl<'a> Eq for Modifier<'a>

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impl<'a> StructuralPartialEq for Modifier<'a>

Auto Trait Implementations§

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impl<'a> Freeze for Modifier<'a>

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impl<'a> RefUnwindSafe for Modifier<'a>

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impl<'a> Send for Modifier<'a>

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impl<'a> Sync for Modifier<'a>

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impl<'a> Unpin for Modifier<'a>

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impl<'a> UnwindSafe for Modifier<'a>

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.