Starting lambdas
This commit is contained in:
parent
92d641fca0
commit
18a839bb91
@ -22,6 +22,7 @@ impl EvaluatorState {
|
|||||||
self.vars.get(var)
|
self.vars.get(var)
|
||||||
}
|
}
|
||||||
fn push_env(&mut self) {
|
fn push_env(&mut self) {
|
||||||
|
|
||||||
}
|
}
|
||||||
fn pop_env(&mut self) {
|
fn pop_env(&mut self) {
|
||||||
|
|
||||||
@ -124,7 +125,12 @@ impl EvaluatorState {
|
|||||||
},
|
},
|
||||||
_ => return Err(format!("Bad assignment")),
|
_ => return Err(format!("Bad assignment")),
|
||||||
}
|
}
|
||||||
"lambda" => unimplemented!(),
|
"lambda" => match operands {
|
||||||
|
Cons(box paramlist, box Cons(box formalexp, box Nil)) => {
|
||||||
|
unimplemented!() //needs to return an abstract object
|
||||||
|
},
|
||||||
|
_ => return Err(format!("Bad lambda expression")),
|
||||||
|
},
|
||||||
"if" => match operands {
|
"if" => match operands {
|
||||||
Cons(box test, box body) => {
|
Cons(box test, box body) => {
|
||||||
let truth_value = test.truthy();
|
let truth_value = test.truthy();
|
||||||
|
Loading…
Reference in New Issue
Block a user