A single component of a character class set.
An empty item.
Note that a bracketed character class cannot contain a single empty
item. Empty items can appear when using one of the binary operators.
For example, [&&]
is the intersection of two empty classes.
A range between two literals.
An ASCII character class, e.g., [:alnum:]
or [:punct:]
.
A Unicode character class, e.g., \pL
or \p{Greek}
.
A perl character class, e.g., \d
or \W
.
A bracketed character class set, which may contain zero or more
character ranges and/or zero or more nested classes. e.g.,
[a-zA-Z\pL]
.
Return the span of this character class set item.
This method tests for self
and other
values to be equal, and is used by ==
. Read more
This method tests for !=
.
Performs copy-assignment from source
. Read more
Formats the value using the given formatter. Read more
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
🔬 This is a nightly-only experimental API. (try_from
)
The type returned in the event of a conversion error.
🔬 This is a nightly-only experimental API. (try_from
)
Immutably borrows from an owned value. Read more
Mutably borrows from an owned value. Read more
🔬 This is a nightly-only experimental API. (try_from
)
The type returned in the event of a conversion error.
🔬 This is a nightly-only experimental API. (try_from
)
🔬 This is a nightly-only experimental API. (get_type_id
)
this method will likely be replaced by an associated static