Struct pex::NamedPattern

pub struct NamedPattern<P> {
    pub pattern: P,
    pub message: &'static str,
}

A string pattern with a message for error reporting

Examples

r#" "#
r##" "##
r###" "###

Examples

Fields

pattern: P

The pattern to match

message: &'static str

Error message to display if the pattern is failed to match

This must static, since error message are all static

Implementations

impl<'p, P> NamedPattern<P>where P: Pattern<'p> + Clone,

pub fn new(pattern: P, message: &'static str) -> Self

Create a new named pattern

pub fn consume<'i>( &'p self, input: ParseState<'i> ) -> ParseResult<'i, StringView<'i>>where 'i: 'p,

Consume the pattern from the input

Trait Implementations

impl<P: Clone> Clone for NamedPattern<P>

fn clone(&self) -> NamedPattern<P>

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl<P: Debug> Debug for NamedPattern<P>

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<P> Pattern<'static> for NamedPattern<P>where P: Pattern<'static>,

type Searcher = <P as Pattern<'static>>::Searcher

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

Associated searcher for this pattern

fn into_searcher(self, haystack: &'static str) -> Self::Searcher

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

Constructs the associated searcher from self and the haystack to search in.

fn is_contained_in(self, haystack: &'static str) -> bool

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

Checks whether the pattern matches anywhere in the haystack

fn is_prefix_of(self, haystack: &'static str) -> bool

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

Checks whether the pattern matches at the front of the haystack

fn is_suffix_of(self, haystack: &'static str) -> boolwhere Self::Searcher: ReverseSearcher<'static>,

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

Checks whether the pattern matches at the back of the haystack

fn strip_prefix_of(self, haystack: &'static str) -> Option<&'static str>

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

Removes the pattern from the front of haystack, if it matches.

fn strip_suffix_of(self, haystack: &'static str) -> Option<&'static str>where Self::Searcher: ReverseSearcher<'static>,

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

Removes the pattern from the back of haystack, if it matches.

impl<P: Copy> Copy for NamedPattern<P>