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authorSteve Klabnik <steve@steveklabnik.com>2015-11-05 22:28:49 +0100
committerSteve Klabnik <steve@steveklabnik.com>2015-11-05 22:28:49 +0100
commit0171abb0d05bdc5b2d4a3705b85bc4a9a231cbbe (patch)
tree937c01ed2608fc36b0869b27e3e0fa2c323e6e62 /src
parent15dd4170ff05f561964da4679f8958ce2172889d (diff)
parent7300ed8e401f7a0910a17b981c315e1e3e9f8128 (diff)
downloadrust-0171abb0d05bdc5b2d4a3705b85bc4a9a231cbbe.tar.gz
rust-0171abb0d05bdc5b2d4a3705b85bc4a9a231cbbe.zip
Rollup merge of #29614 - bluss:vec-drop-comment, r=Gankro
vec: Remove old comment in Vec::drop

This comment was leftover from an earlier revision of a PR, something
that never was merged. There is no ZST special casing in Vec::drop.
Diffstat (limited to 'src')
-rw-r--r--src/libcollections/vec.rs4
1 files changed, 0 insertions, 4 deletions
diff --git a/src/libcollections/vec.rs b/src/libcollections/vec.rs
index a22e66583c4..95158054d65 100644
--- a/src/libcollections/vec.rs
+++ b/src/libcollections/vec.rs
@@ -1384,10 +1384,6 @@ impl<T: Ord> Ord for Vec<T> {
 impl<T> Drop for Vec<T> {
     #[unsafe_destructor_blind_to_params]
     fn drop(&mut self) {
-        // NOTE: this is currently abusing the fact that ZSTs can't impl Drop.
-        // Or rather, that impl'ing Drop makes them not zero-sized. This is
-        // OK because exactly when this stops being a valid assumption, we
-        // don't need unsafe_no_drop_flag shenanigans anymore.
         if self.buf.unsafe_no_drop_flag_needs_drop() {
             unsafe {
                 // The branch on needs_drop() is an -O1 performance optimization.