Move emplace to object.d for symmetry with destroy.

Author: thewilsonator

changelog/emplace.dd

@@ -0,0 +1,3 @@
+Moved `std.conv.emplace` to object.d
+
+`emplace` is the direct counterpart to `destroy`, so it has been moved to also live in object.d where it is accessible by projects that use a shallow runtime library stack.

src/core/internal/traits.d

@@ -153,14 +153,14 @@ template isInnerClass(T) if (is(T == class))
         template hasOuterMember(T...)
         {
             static if (T.length == 0)
-            enum hasOuterMember = false;
+                enum hasOuterMember = false;
             else
-            enum hasOuterMember = T[0] == "outer" || hasOuterMember!(T[1 .. $]);
+                enum hasOuterMember = T[0] == "outer" || hasOuterMember!(T[1 .. $]);
         }
         enum isInnerClass = __traits(isSame, typeof(T.outer), __traits(parent, T)) && !hasOuterMember!(__traits(allMembers, T));
     }
     else
-    enum isInnerClass = false;
+        enum isInnerClass = false;
 }
 
 template dtorIsNothrow(T)
@@ -206,11 +206,11 @@ template anySatisfy(alias F, T...)
 private template maxAlignment(U...)
 {
     static if (U.length == 0)
-    static assert(0);
+        static assert(0);
     else static if (U.length == 1)
-    enum maxAlignment = U[0].alignof;
+        enum maxAlignment = U[0].alignof;
     else static if (U.length == 2)
-    enum maxAlignment = U[0].alignof > U[1].alignof ? U[0].alignof : U[1].alignof;
+        enum maxAlignment = U[0].alignof > U[1].alignof ? U[0].alignof : U[1].alignof;
     else
     {
         enum a = maxAlignment!(U[0 .. ($+1)/2]);
@@ -274,8 +274,8 @@ template hasElaborateAssign(S)
     else static if (is(S == struct))
     {
         enum hasElaborateAssign = is(typeof(S.init.opAssign(rvalueOf!S))) ||
-        is(typeof(S.init.opAssign(lvalueOf!S))) ||
-        anySatisfy!(.hasElaborateAssign, FieldTypeTuple!S);
+                                  is(typeof(S.init.opAssign(lvalueOf!S))) ||
+            anySatisfy!(.hasElaborateAssign, FieldTypeTuple!S);
     }
     else
     {