Enum regex_syntax::ast::HexLiteralKind[][src]

pub enum HexLiteralKind {
    X,
    UnicodeShort,
    UnicodeLong,
}
Expand description

The type of a Unicode hex literal.

Note that all variants behave the same when used with brackets. They only differ when used without brackets in the number of hex digits that must follow.

Variants

X

A \x prefix. When used without brackets, this form is limited to two digits.

UnicodeShort

A \u prefix. When used without brackets, this form is limited to four digits.

UnicodeLong

A \U prefix. When used without brackets, this form is limited to eight digits.

Implementations

The number of digits that must be used with this literal form when used without brackets. When used with brackets, there is no restriction on the number of digits.

Trait Implementations

Returns a copy of the value. Read more

Performs copy-assignment from source. Read more

Formats the value using the given formatter. Read more

This method tests for self and other values to be equal, and is used by ==. Read more

This method tests for !=.

Auto Trait Implementations

Blanket Implementations

Gets the TypeId of self. Read more

Immutably borrows from an owned value. Read more

Mutably borrows from an owned value. Read more

Performs the conversion.

Performs the conversion.

The resulting type after obtaining ownership.

Creates owned data from borrowed data, usually by cloning. Read more

🔬 This is a nightly-only experimental API. (toowned_clone_into)

recently added

Uses borrowed data to replace owned data, usually by cloning. Read more

The type returned in the event of a conversion error.

Performs the conversion.

The type returned in the event of a conversion error.

Performs the conversion.