use crate::records::substitution::Substitution;
use crate::type_aliases::type_pack_id::TypePackId;
impl Substitution {
pub fn replace_type_pack_id(&mut self, tp: TypePackId) -> TypePackId {
let tp = unsafe { (*self.base.log).follow_type_pack_id(tp) };
if let Some(prev_tp) = self.new_packs.find(&tp) {
*prev_tp
} else {
tp
}
}
}