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removing engine generic from transforms

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🪞👃🪞 2025-01-18 02:52:54 +01:00
parent 452bdf9598
commit a949117017
8 changed files with 184 additions and 184 deletions
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16
edn/src/token.rs
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@ -30,7 +30,7 @@ macro_rules! iterate {
}
}
}
#[derive(Clone, PartialEq)] pub struct TokensIterator<'a>(&'a str);
#[derive(Copy, Clone, PartialEq)] pub struct TokensIterator<'a>(&'a str);
impl<'a> Iterator for TokensIterator<'a> {
type Item = TokenResult<'a>;
fn next (&mut self) -> Option<TokenResult<'a>> { self.next_mut().map(|(result, _)|result) }
@ -159,14 +159,14 @@ pub trait Atom: Sized {
fn text (&self) -> &str;
fn num (&self) -> usize;
}
#[derive(Clone, PartialEq)] pub enum RefAtom<'a> {
#[derive(Copy, Clone, PartialEq)] pub enum RefAtom<'a> {
Num(usize),
Sym(&'a str),
Key(&'a str),
Exp(RefAtomsIterator<'a>),
}
type RefAtomResult<'a> = Result<RefAtom<'a>, ParseError>;
#[derive(Clone, PartialEq)] pub struct RefAtomsIterator<'a>(TokensIterator<'a>);
#[derive(Copy, Clone, PartialEq)] pub struct RefAtomsIterator<'a>(TokensIterator<'a>);
impl<'a> Iterator for RefAtomsIterator<'a> {
type Item = RefAtomResult<'a>;
fn next (&mut self) -> Option<RefAtomResult<'a>> {
@ -398,17 +398,9 @@ impl<'a, T: Context<'a, U>, U> Context<'a, U> for Option<T> {
#[macro_export] macro_rules! try_delegate {
($s:ident, $atom:expr, $T:ty) => {
if let [head, tail @ ..] = $atom.as_slice() {
if let Some(value) = <$T>::try_from_atom($s, head, tail) {
if let Some(value) = <$T>::try_from_atoms($s, head, tail) {
return Some(value.boxed())
}
}
}
}
pub trait TryFromAtom<'a, T>: Sized {
fn try_from_atom (state: &'a T, head: &impl Atom, tail: &'a [impl Atom]) ->
Option<Self>;
}
pub trait TryIntoAtom<'a, T>: Sized {
fn try_from_atom (state: &'a T, head: &impl Atom, tail: &'a [impl Atom]) ->
Option<Self>;
}