50 lines
1.3 KiB
Rust
50 lines
1.3 KiB
Rust
/** Serene --- Yet an other Lisp
|
|
*
|
|
* Copyright (c) 2020 Sameer Rahmani <lxsameer@gnu.org>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 2 of the License.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
use crate::namespace::Namespace;
|
|
use crate::types::core::{ExprResult, Expression};
|
|
|
|
#[derive(Debug, Eq, PartialEq, Clone)]
|
|
pub struct List<T>
|
|
where
|
|
for<'a> T: Expression<'a>,
|
|
{
|
|
first: Box<T>,
|
|
rest: Box<T>,
|
|
}
|
|
|
|
impl<T> List<T>
|
|
where
|
|
for<'a> T: Expression<'a>,
|
|
{
|
|
pub fn new<S>(first: Box<S>, rest: Box<S>) -> List<S>
|
|
where
|
|
for<'a> S: Expression<'a>,
|
|
{
|
|
List { first, rest }
|
|
}
|
|
}
|
|
|
|
impl<'a, T> Expression<'a> for List<T>
|
|
where
|
|
for<'b> T: Expression<'b>,
|
|
{
|
|
fn eval() {}
|
|
fn code_gen(&self, ns: &Namespace) -> ExprResult<'a> {
|
|
Err("Not implemented on list".to_string())
|
|
}
|
|
}
|