Struct grep_matcher::NoCaptures [−][src]
pub struct NoCaptures(_);
Expand description
NoCaptures provides an always-empty implementation of the Captures
trait.
This type is useful for implementations of Matcher
that don’t support
capturing groups.
Implementations
Create an empty set of capturing groups.
Trait Implementations
Return the total number of capturing groups. This includes capturing groups that have not matched anything. Read more
Return the capturing group match at the given index. If no match of
that capturing group exists, then this returns None
. Read more
Returns true if and only if these captures are empty. This occurs
when len
is 0
. Read more
Auto Trait Implementations
impl RefUnwindSafe for NoCaptures
impl Send for NoCaptures
impl Sync for NoCaptures
impl Unpin for NoCaptures
impl UnwindSafe for NoCaptures
Blanket Implementations
Mutably borrows from an owned value. Read more