user0/rust
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

rustc: Improve the efficiency of lookup_item_type() slightly

Browse source
This commit is contained in:
Patrick Walton 2011-04-22 10:19:22 -07:00
parent 2361b65526
commit 9ab9bd9cc2
1 changed files with 7 additions and 7 deletions
Download patch file Download diff file Expand all files Collapse all files

14
src/comp/middle/ty.rs
View file

@ -2484,17 +2484,17 @@ fn lookup_item_type(session.session sess,
if (did._0 == sess.get_targ_crate_num()) {
// The item is in this crate. The caller should have added it to the
// type cache already; we simply return it.
check (cache.contains_key(did));
ret cache.get(did);
}
if (cache.contains_key(did)) {
ret cache.get(did);
alt (cache.find(did)) {
case (some[ty_param_count_and_ty](?tpt)) { ret tpt; }
case (none[ty_param_count_and_ty]) {
auto tyt = creader.get_type(sess, tystore, did);
cache.insert(did, tyt);
ret tyt;
}
}
auto tyt = creader.get_type(sess, tystore, did);
cache.insert(did, tyt);
ret tyt;
}