2020-11-10 21:37:30 +00:00
|
|
|
/*
|
|
|
|
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/>.
|
|
|
|
*/
|
|
|
|
|
2020-11-15 22:16:48 +00:00
|
|
|
package core
|
2020-11-10 21:37:30 +00:00
|
|
|
|
2020-11-20 16:43:07 +00:00
|
|
|
// ISeq is an interface describing a sequence of forms
|
2020-11-14 10:51:25 +00:00
|
|
|
type ISeq interface {
|
2020-11-15 21:38:09 +00:00
|
|
|
First() IExpr
|
|
|
|
Rest() ISeq
|
|
|
|
}
|
|
|
|
|
|
|
|
type ICountable interface {
|
|
|
|
Count() int
|
2020-11-10 21:37:30 +00:00
|
|
|
}
|
2020-11-19 19:14:06 +00:00
|
|
|
|
2020-11-20 16:43:07 +00:00
|
|
|
// IColl describes a collection of values. A finite collection.
|
2020-11-19 19:14:06 +00:00
|
|
|
type IColl interface {
|
|
|
|
ISeq
|
|
|
|
ICountable
|
|
|
|
ToSlice() []IExpr
|
2020-12-04 21:08:48 +00:00
|
|
|
Cons(e IExpr) IExpr
|
2020-11-19 19:14:06 +00:00
|
|
|
}
|