allocate arg vec with capacity during eval
@@ -1980,7 +1980,7 @@ impl<'a> Visitor<'a> {
arguments: ArgumentInvocation,
span: Span,
) -> SassResult<ArgumentResult> {
- let mut positional = Vec::new();
+ let mut positional = Vec::with_capacity(arguments.positional.len());
for expr in arguments.positional {
let val = self.visit_expr(expr)?;
