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Rc is got by reference by default

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Erin 2022-04-22 21:09:03 +02:00 committed by ondra05
parent a103a6e7f6
commit b52d07f13b
1 changed files with 6 additions and 6 deletions
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12
ablescript/src/interpret.rs
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@ -307,10 +307,10 @@ impl ExecEnv {
fn assign(&mut self, dest: &Assignable, value: Value) -> Result<(), Error> {
match dest.kind {
AssignableKind::Variable => {
self.get_var_rc(&dest.ident)?.replace(value);
self.get_var_rc_mut(&dest.ident)?.replace(value);
}
AssignableKind::Index { ref indices } => {
let mut cell = self.get_var_rc(&dest.ident)?;
let mut cell = self.get_var_rc_mut(&dest.ident)?.clone();
for index in indices {
let index = self.eval_expr(index)?;
@ -366,7 +366,7 @@ impl ExecEnv {
.iter()
.map(|arg| {
if let Expr::Variable(name) = &arg.item {
self.get_var_rc(&Spanned::new(name.to_owned(), arg.span.clone()))
self.get_var_rc_mut(&Spanned::new(name.to_owned(), arg.span.clone())).cloned()
} else {
self.eval_expr(arg).map(ValueRef::new)
}
@ -555,11 +555,11 @@ impl ExecEnv {
}
}
/// Get an Rc'd pointer to the value of a variable. Throw an error
/// Get an reference to an Rc'd pointer to the value of a variable. Throw an error
/// if the variable is inaccessible or banned.
fn get_var_rc(&mut self, name: &Spanned<String>) -> Result<ValueRef, Error> {
fn get_var_rc_mut(&mut self, name: &Spanned<String>) -> Result<&mut ValueRef, Error> {
match self.get_var_mut(name)? {
Variable::Ref(r) => Ok(r.clone()),
Variable::Ref(r) => Ok(r),
Variable::Melo => Err(Error {
kind: ErrorKind::MeloVariable(name.item.to_owned()),
span: name.span.clone(),