some iterator tuning

[rust-101.git] / TODO.txt

diff --git a/TODO.txt b/TODO.txt
index 39d060cbe6f27de84ed23aae8c517cf79419c638..73c82b1885fe4030843cf7de8d8dab1705ba2160 100644 (file)
--- a/TODO.txt
+++ b/TODO.txt
@@ -1,11 +1,11 @@
 * Closures: Working on iterators
+
 * Arrays/slices
 * Trait objects
-* Drop
-* ?unsafe?
-* ?interior mutability?
 
 * Arc, concurrency, channels: Some grep-like thing, "rgrep"
 * Send, Sync
 * External dependencies: regexp crate, add to rgrep
-* 
\ No newline at end of file
+
+* Shared-memoty concurrency, interior mutability: Concurrent counter
+* Drop, unsafe: doubly-linked list