ref more math decls for better docs

lib/std/std.zig

@@ -62,69 +62,6 @@ pub const unicode = @import("unicode.zig");
 pub const valgrind = @import("valgrind.zig");
 pub const zig = @import("zig.zig");
 
-// Reference everything so it gets tested.
-test "" {
-    _ = AlignedArrayList;
-    _ = ArrayList;
-    _ = AutoHashMap;
-    _ = BloomFilter;
-    _ = BufMap;
-    _ = BufSet;
-    _ = Buffer;
-    _ = BufferOutStream;
-    _ = DynLib;
-    _ = HashMap;
-    _ = Mutex;
-    _ = PackedIntArrayEndian;
-    _ = PackedIntArray;
-    _ = PackedIntSliceEndian;
-    _ = PackedIntSlice;
-    _ = PriorityQueue;
-    _ = SinglyLinkedList;
-    _ = StaticallyInitializedMutex;
-    _ = SegmentedList;
-    _ = SpinLock;
-    _ = StringHashMap;
-    _ = ChildProcess;
-    _ = TailQueue;
-    _ = Thread;
-
-    _ = atomic;
-    _ = base64;
-    _ = build;
-    _ = c;
-    _ = coff;
-    _ = crypto;
-    _ = cstr;
-    _ = debug;
-    _ = dwarf;
-    _ = elf;
-    _ = event;
-    _ = fmt;
-    _ = fs;
-    _ = hash;
-    _ = hash_map;
-    _ = heap;
-    _ = http;
-    _ = io;
-    _ = json;
-    _ = lazyInit;
-    _ = macho;
-    _ = math;
-    _ = mem;
-    _ = meta;
-    _ = net;
-    _ = os;
-    _ = packed_int_array;
-    _ = pdb;
-    _ = process;
-    _ = rand;
-    _ = rb;
-    _ = sort;
-    _ = ascii;
-    _ = testing;
-    _ = time;
-    _ = unicode;
-    _ = valgrind;
-    _ = zig;
+comptime {
+    meta.refAllDecls(@This());
 }