Add DIP25 compatibility. Fix #83

.travis.yml

@@ -8,7 +8,7 @@ language: d
 
 d:
 - dmd-2.085.0
-- dmd-2.082.1
+- dmd-2.081.2
 
 env:
   global:

appveyor.yml

@@ -10,10 +10,10 @@ environment:
       DVersion: 2.085.0
       arch: x86
     - DC: dmd
-      DVersion: 2.082.1
+      DVersion: 2.081.2
       arch: x64
     - DC: dmd
-      DVersion: 2.082.1
+      DVersion: 2.081.2
       arch: x86
 
 skip_tags: true

dub.json

@@ -53,6 +53,7 @@
 		{
 			"name": "unittest",
 			"versions": ["TanyaPhobos"],
+			"dflags": ["-dip25"],
 			"importPaths": [
 				"./source",
 				"./tests"

source/tanya/async/event/iocp.d

@@ -67,11 +67,7 @@ final class StreamTransport : SocketWatcher, DuplexTransport, SocketTransport
      * Postcondition: $(D_INLINECODE socket !is null)
      */
     override @property OverlappedConnectedSocket socket() pure nothrow @safe @nogc
-    out (socket)
-    {
-        assert(socket !is null);
-    }
-    do
+    out (socket; socket !is null)
     {
         return cast(OverlappedConnectedSocket) socket_;
     }
@@ -124,11 +120,7 @@ final class StreamTransport : SocketWatcher, DuplexTransport, SocketTransport
      * Precondition: $(D_INLINECODE protocol !is null)
      */
     @property void protocol(Protocol protocol) pure nothrow @safe @nogc
-    in
-    {
-        assert(protocol !is null);
-    }
-    do
+    in (protocol !is null)
     {
         protocol_ = protocol;
     }
@@ -264,11 +256,7 @@ final class IOCPLoop : Loop
 
     private void kill(StreamTransport transport,
                       SocketException exception = null) @nogc
-    in
-    {
-        assert(transport !is null);
-    }
-    do
+    in (transport !is null)
     {
         transport.socket.shutdown();
         defaultAllocator.dispose(transport.socket);

source/tanya/async/event/selector.d

@@ -75,22 +75,14 @@ package class StreamTransport : SocketWatcher, DuplexTransport, SocketTransport
      * Postcondition: $(D_INLINECODE socket !is null)
      */
     override @property ConnectedSocket socket() pure nothrow @safe @nogc
-    out (socket)
-    {
-        assert(socket !is null);
-    }
-    do
+    out (socket; socket !is null)
     {
         return cast(ConnectedSocket) socket_;
     }
 
     private @property void socket(ConnectedSocket socket)
     pure nothrow @safe @nogc
-    in
-    {
-        assert(socket !is null);
-    }
-    do
+    in (socket !is null)
     {
         socket_ = socket;
     }
@@ -114,11 +106,7 @@ package class StreamTransport : SocketWatcher, DuplexTransport, SocketTransport
      * Precondition: $(D_INLINECODE protocol !is null)
      */
     @property void protocol(Protocol protocol) pure nothrow @safe @nogc
-    in
-    {
-        assert(protocol !is null);
-    }
-    do
+    in (protocol !is null)
     {
         protocol_ = protocol;
     }
@@ -257,11 +245,7 @@ abstract class SelectorLoop : Loop
      */
     protected void kill(StreamTransport transport,
                         SocketException exception = null) @nogc
-    in
-    {
-        assert(transport !is null);
-    }
-    do
+    in (transport !is null)
     {
         transport.socket.shutdown();
         defaultAllocator.dispose(transport.socket);
@@ -283,11 +267,7 @@ abstract class SelectorLoop : Loop
      */
     protected bool feed(StreamTransport transport,
                         SocketException exception = null) @nogc
-    in
-    {
-        assert(transport !is null);
-    }
-    do
+    in (transport !is null)
     {
         while (transport.input.length && transport.writeReady)
         {
@@ -350,11 +330,7 @@ abstract class SelectorLoop : Loop
      *  connection = Connection watcher ready to accept.
      */
     package void acceptConnections(ConnectionWatcher connection) @nogc
-    in
-    {
-        assert(connection !is null);
-    }
-    do
+    in (connection !is null)
     {
         while (true)
         {

source/tanya/async/loop.d

@@ -262,12 +262,8 @@ abstract class Loop
      *              $(D_PSYMBOL maxBlockTime).
      */
     protected @property void blockTime(in Duration blockTime) @safe pure nothrow @nogc
-    in
-    {
-        assert(blockTime <= 1.dur!"hours", "Too long to wait.");
-        assert(!blockTime.isNegative);
-    }
-    do
+    in (blockTime <= 1.dur!"hours", "Too long to wait.")
+    in (!blockTime.isNegative)
     {
         blockTime_ = blockTime;
     }
@@ -340,11 +336,7 @@ class BadLoopException : Exception
  *  loop = The event loop.
  */
 @property void defaultLoop(Loop loop) @nogc
-in
-{
-    assert(loop !is null);
-}
-do
+in (loop !is null)
 {
     defaultLoop_ = loop;
 }

source/tanya/async/transport.d

@@ -57,10 +57,7 @@ interface DuplexTransport : ReadTransport, WriteTransport
      * Postcondition: $(D_INLINECODE protocol !is null)
      */
     @property Protocol protocol() pure nothrow @safe @nogc
-    out (protocol)
-    {
-        assert(protocol !is null);
-    }
+    out (protocol; protocol !is null);
 
     /**
      * Switches the protocol.
@@ -73,10 +70,7 @@ interface DuplexTransport : ReadTransport, WriteTransport
      * Precondition: $(D_INLINECODE protocol !is null)
      */
     @property void protocol(Protocol protocol) pure nothrow @safe @nogc
-    in
-    {
-        assert(protocol !is null);
-    }
+    in (protocol !is null);
 
 
     /**

source/tanya/async/watcher.d

@@ -52,11 +52,7 @@ abstract class SocketWatcher : Watcher
      * Precondition: $(D_INLINECODE socket !is null)
      */
     this(Socket socket) pure nothrow @safe @nogc
-    in
-    {
-        assert(socket !is null);
-    }
-    do
+    in (socket !is null)
     {
         socket_ = socket;
     }
@@ -102,11 +98,7 @@ class ConnectionWatcher : SocketWatcher
      * Invokes new connection callback.
      */
     override void invoke() @nogc
-    in
-    {
-        assert(protocolFactory !is null, "Protocol isn't set.");
-    }
-    do
+    in (protocolFactory !is null, "Protocol isn't set.")
     {
         for (; !this.incoming.empty; this.incoming.removeFront())
         {

source/tanya/format.d

@@ -1928,7 +1928,7 @@ private char[] errol3(double value,
  * $(D_PARAM sign).
  */
 private const(char)[] real2String(double value,
-                                  ref char[512] buffer,
+                                  return ref char[512] buffer,
                                   out int exponent,
                                   out bool sign) @nogc nothrow pure @trusted
 {

source/tanya/net/ip.d

@@ -57,10 +57,9 @@ struct Address4
      * Params:
      *  address = The address as an unsigned integer in host byte order.
      */
-    this(uint address) @nogc nothrow pure @safe
+    this(uint address) @nogc nothrow pure @trusted
     {
-        copy(NetworkOrder!4(address),
-             (() @trusted => (cast(ubyte*) &this.address)[0 .. 4])());
+        copy(NetworkOrder!4(address), (cast(ubyte*) &this.address)[0 .. 4]);
     }
 
     ///

source/tanya/typecons.d

@@ -608,7 +608,7 @@ if (isTypeTuple!Specs && NoDuplicates!Specs.length == Specs.length)
             return this;
         }
 
-        private ref typeof(this) copyAssign(T)(ref T that)
+        private ref typeof(this) copyAssign(T)(ref T that) return
         {
             this.tag = staticIndexOf!(T, Types);