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use crate::syntax::Punct;
type StrRange = (usize, usize);
#[derive(Copy, Clone, PartialEq, Debug)]
pub enum Value {
Unit,
Num(i32),
Str(StrRange),
}
#[derive(Clone, PartialEq, Debug)]
pub enum Expr {
Declaration {
name: StrRange,
val: Box<Expr>,
},
FunctionDeclaration {
name: StrRange,
params: Vec<StrRange>,
body: Box<Expr>,
},
FunctionCall {
name: StrRange,
args: Vec<Expr>,
},
Multiple(Vec<Expr>),
Range {
from: Box<Expr>,
to: Box<Expr>,
},
IdentLookup(StrRange),
Rpn(Vec<Expr>),
Value(Value),
Op(Punct),
}