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Reorganized variable code

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Mark
2023-06-14 16:15:51 -07:00
parent 5ffad0cc4e
commit 00a421756d
10 changed files with 39 additions and 47 deletions
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4
src/context.rs
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@ -16,14 +16,14 @@ impl Context {
pub fn push_var(&mut self, s: String, t: Token) { self.variables.insert(s, t); }
pub fn del_var(&mut self, s: &String) { self.variables.remove(s); }
pub fn get_variable(&self, s: String) -> Option<Token> {
pub fn get_variable(&self, s: &String) -> Option<Token> {
let v: Option<&Token>;
if s == "ans" {
v = self.history.last();
} else {
v = self.variables.get(&s);
v = self.variables.get(s);
}
if v.is_some() { Some(v.unwrap().clone()) } else { None }