[tor-commits] [tor/master] Move doc/HACKING/design/01b-collections.md into doxygen.

[nickm@xxxxxxxxxxxxxx]

commit 211a2e0a8f06c65a2b8458b53d7a61a5fa21aac1
Author: Nick Mathewson <nickm@xxxxxxxxxxxxxx>
Date:   Mon Nov 4 12:07:38 2019 -0500

    Move doc/HACKING/design/01b-collections.md into doxygen.
---
 doc/HACKING/design/01b-collections.md | 45 ----------------------------------
 src/lib/container/lib_container.dox   | 46 +++++++++++++++++++++++++++++++++++
 2 files changed, 46 insertions(+), 45 deletions(-)

diff --git a/doc/HACKING/design/01b-collections.md b/doc/HACKING/design/01b-collections.md
deleted file mode 100644
index ed6fdc907..000000000
--- a/doc/HACKING/design/01b-collections.md
+++ /dev/null
@@ -1,45 +0,0 @@
-
-## Collections in tor
-
-### Smartlists: Neither lists, nor especially smart.
-
-For historical reasons, we call our dynamic-allocated array type
-`smartlist_t`.  It can grow or shrink as elements are added and removed.
-
-All smartlists hold an array of `void *`.  Whenever you expose a smartlist
-in an API you *must* document which types its pointers actually hold.
-
-<!-- It would be neat to fix that, wouldn't it? -NM  -->
-
-Smartlists are created empty with `smartlist_new()` and freed with
-`smartlist_free()`.  See the `containers.h` module documentation for more
-information; there are many convenience functions for commonly needed
-operations.
-
-<!-- TODO: WRITE more about what you can do with smartlists. -->
-
-### Digest maps, string maps, and more.
-
-Tor makes frequent use of maps from 160-bit digests, 256-bit digests,
-or nul-terminated strings to `void *`. These types are `digestmap_t`,
-`digest256map_t`, and `strmap_t` respectively.  See the containers.h
-module documentation for more information.
-
-### Intrusive lists and hashtables
-
-For performance-sensitive cases, we sometimes want to use "intrusive"
-collections: ones where the bookkeeping pointers are stuck inside the
-structures that belong to the collection.  If you've used the
-BSD-style sys/queue.h macros, you'll be familiar with these.
-
-Unfortunately, the `sys/queue.h` macros vary significantly between the
-platforms that have them, so we provide our own variants in
-`src/ext/tor_queue.h`.
-
-We also provide an intrusive hashtable implementation in `src/ext/ht.h`.
-When you're using it, you'll need to define your own hash
-functions. If attacker-induced collisions are a worry here, use the
-cryptographic siphash24g function to extract hashes.
-
-<!-- TODO: WRITE about bloom filters, namemaps, bit-arrays, order functions.
--->
diff --git a/src/lib/container/lib_container.dox b/src/lib/container/lib_container.dox
index fb360368d..675aaeef3 100644
--- a/src/lib/container/lib_container.dox
+++ b/src/lib/container/lib_container.dox
@@ -2,4 +2,50 @@
 @dir /lib/container
 @brief lib/container: Hash tables, dynamic arrays, bit arrays, etc.
 
+### Smartlists: Neither lists, nor especially smart.
+
+For historical reasons, we call our dynamic-allocated array type
+`smartlist_t`.  It can grow or shrink as elements are added and removed.
+
+All smartlists hold an array of `void *`.  Whenever you expose a smartlist
+in an API you *must* document which types its pointers actually hold.
+
+<!-- It would be neat to fix that, wouldn't it? -NM  -->
+
+Smartlists are created empty with `smartlist_new()` and freed with
+`smartlist_free()`.  See the `containers.h` header documentation for more
+information; there are many convenience functions for commonly needed
+operations.
+
+For low-level operations on smartlists, see also
+\refdir{lib/smartlist_core}.
+
+<!-- TODO: WRITE more about what you can do with smartlists. -->
+
+### Digest maps, string maps, and more.
+
+Tor makes frequent use of maps from 160-bit digests, 256-bit digests,
+or nul-terminated strings to `void *`. These types are `digestmap_t`,
+`digest256map_t`, and `strmap_t` respectively.  See the containers.h
+module documentation for more information.
+
+### Intrusive lists and hashtables
+
+For performance-sensitive cases, we sometimes want to use "intrusive"
+collections: ones where the bookkeeping pointers are stuck inside the
+structures that belong to the collection.  If you've used the
+BSD-style sys/queue.h macros, you'll be familiar with these.
+
+Unfortunately, the `sys/queue.h` macros vary significantly between the
+platforms that have them, so we provide our own variants in
+`ext/tor_queue.h`.
+
+We also provide an intrusive hashtable implementation in `ext/ht.h`.
+When you're using it, you'll need to define your own hash
+functions. If attacker-induced collisions are a worry here, use the
+cryptographic siphash24g function to extract hashes.
+
+<!-- TODO: WRITE about bloom filters, namemaps, bit-arrays, order functions.
+-->
+
 **/



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