Merge pull request #4963 from andralex/selective_import_demo

[DEMO for DIP1005] Converted imports to selective imports in std.array

Author: andralex

std/array.d

@@ -75,13 +75,19 @@ Source: $(PHOBOSSRC std/_array.d)
 */
 module std.array;
 
-import std.meta;
-import std.traits;
-import std.functional;
-static import std.algorithm.iteration; // FIXME, remove with alias of splitter
-
-import std.range.primitives;
-public import std.range.primitives : save, empty, popFront, popBack, front, back;
+static import std.algorithm.iteration; // FIXME, remove with alias
+    // of splitter
+import std.functional : unaryFun;
+import std.meta : AliasSeq, allSatisfy, staticMap;
+import std.range.primitives : ElementEncodingType, ElementType, hasLength,
+    isBidirectionalRange, isForwardRange, isInfinite, isInputRange,
+    isOutputRange, isRandomAccessRange, put;
+public import std.range.primitives : save, empty, popFront, popBack, front,
+    back;
+import std.traits : ForeachType, Unqual, hasElaborateAssign,
+    hasElaborateCopyConstructor, hasIndirections, isArray, isAssignable,
+    isDynamicArray, isImplicitlyConvertible, isIntegral, isIterable, isMutable,
+    isNarrowString, isSomeChar, isSomeString, isStaticArray;
 
 /**
  * Allocates an array and initializes it with copies of the elements
@@ -344,7 +350,7 @@ See_Also: $(REF Tuple, std,typecons)
  */
 
 auto assocArray(Range)(Range r)
-    if (isInputRange!Range)
+if (isInputRange!Range)
 {
     import std.typecons : isTuple;