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//@ build-pass
//@ compile-flags: --crate-type=lib
use std::marker::PhantomData;
pub trait StreamOnce {
type Token;
}
impl StreamOnce for &str {
type Token = ();
}
pub trait Parser<Input: StreamOnce> {
type PartialState: Default;
fn parse_mode(&self, _state: &Self::PartialState) {}
fn parse_mode_impl() {}
}
pub fn parse_bool<'a>() -> impl Parser<&'a str> {
pub struct TokensCmp<C, Input>
where
Input: StreamOnce,
{
_cmp: C,
_marker: PhantomData<Input>,
}
impl<Input, C> Parser<Input> for TokensCmp<C, Input>
where
C: FnMut(Input::Token),
Input: StreamOnce,
{
type PartialState = ();
}
TokensCmp { _cmp: |_| (), _marker: PhantomData }
}
pub struct ParseBool;
impl<'a> Parser<&'a str> for ParseBool
where
&'a str: StreamOnce,
{
type PartialState = ();
fn parse_mode_impl() {
parse_bool().parse_mode(&Default::default())
}
}
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