Struct pex::ChoiceHelper

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

Helper for choice pattern

Implementations

impl<'a, T> ChoiceHelper<'a, T>

pub fn new(state: ParseState<'a>) -> Self

Create a new choice helper

pub fn choose<F>(self, parse: F) -> Selfwhere F: FnMut(ParseState<'a>) -> ParseResult<'a, T>,

Try to parse a value

pub fn choose_from<F, U>(self, parse: F) -> Selfwhere F: FnMut(ParseState<'a>) -> ParseResult<'a, U>, T: From<U>,

Try to parse a value

pub fn end_choice(self) -> ParseResult<'a, T>

End choice

Trait Implementations

impl<'a, T: Clone> Clone for ChoiceHelper<'a, T>

fn clone(&self) -> ChoiceHelper<'a, T>

Returns a copy of the value.

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

Performs copy-assignment from source.

impl<'a, T: Debug> Debug for ChoiceHelper<'a, T>

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

Formats the value using the given formatter.