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ParserOptions

Struct ParserOptions 

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pub struct ParserOptions {
    pub try_parsing_value_in_custom_property: bool,
    pub tolerate_semicolon_in_sass: bool,
    pub template_placeholder: Option<TemplatePlaceholder>,
}
Expand description

Parser options for customizing parser behaviors.

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§try_parsing_value_in_custom_property: bool

Enabling this will make parser attempt to parse custom property value as normal declaration value instead of tokens. It will fallback to parse as tokens if there’re syntax errors when parsing as values.

§tolerate_semicolon_in_sass: bool

If enabled, trailing semicolon of each statement will be treated as recoverable errors, instead of raising a syntax error.

§template_placeholder: Option<TemplatePlaceholder>

If set, a backtick-delimited token of the shape `<prefix><decimal index>` (see TemplatePlaceholder) is tokenized as an atomic Token::Placeholder carrying the parsed index. The token terminates at the closing backtick, so an immediately following identifier (e.g. `PLACEHOLDER-0`px) is lexed as a separate suffix.

This is designed for downstream formatters that substitute template interpolations (e.g. CSS-in-JS ${expr}) with such placeholders before parsing, then re-substitute them in the output.

Backtick is not valid CSS/SCSS/Sass syntax, so this MUST be used with Syntax::Scss (the parser builder asserts this); in Less, backtick is the inline-JS delimiter and would conflict.

Not serialized: the affix is a &'static str supplied programmatically, not loadable from a config file.

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impl Clone for ParserOptions

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fn clone(&self) -> ParserOptions

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 ParserOptions

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impl Debug for ParserOptions

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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 Default for ParserOptions

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fn default() -> ParserOptions

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

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impl PartialEq for ParserOptions

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

Tests for self and other values to be equal, and is used by ==.
1.0.0 (const: unstable) · Source§

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 StructuralPartialEq for ParserOptions

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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.