Struct Until

pub struct Until<'a, T, V> { /* private fields */ }

A Peekable that peeks until the given element is found in the Scanner.

This Peekable will temporarily advance the position of the Scanner to find a match. If a match is found, the Scanner is rewound to the original position and a PeekResult is returned. If no match is found, the Scanner is rewound to the original position and an Err is returned.

Implementations

impl<'a, T, V> Until<'a, T, V>

pub fn new(element: V) -> Until<'a, T, V>

Trait Implementations

impl<'a, T, V> Peekable<'a, T, V, V> for Until<'a, T, V>

where V: RecognizeSelf<'a, T, V> + Clone,

fn peek(&self, data: &Scanner<'a, T>) -> ParseResult<PeekResult<V, V>>

Peek until the given element is found in the Scanner.

This function will temporarily advance the position of the Scanner to find a match. If a match is found, the Scanner is rewound to the original position and a PeekResult is returned. If no match is found, the Scanner is rewound to the original position and an Err is returned.

Arguments

• data - The Scanner to use when matching.

Returns

A PeekResult if the element matches the current position of the Scanner, or an Err otherwise.