Merge pull request #3359 from ntrel/aa-wc

Fix AA word count example

Signed-off-by: Dennis <[email protected]>
Merged-on-behalf-of: Dennis <[email protected]>

Author: dlang-bot

spec/hash-map.dd

@@ -484,20 +484,23 @@ $(P Properties for associative arrays are:)
         else evaluates the $(D create) delegate and adds it to the associative array))
     )
 
-$(HR)
+$(H2 $(LNAME2 examples, Examples))
+
 $(H3 $(LNAME2 aa_example, Associative Array Example: word count))
 
         $(P Let's consider the file is ASCII encoded with LF EOL.
         In general case we should use $(I dchar c) for iteration
         over code points and functions from $(LINK2 $(ROOT_DIR)phobos/std_uni.html,std.uni).
         )
 
+$(SPEC_RUNNABLE_EXAMPLE_COMPILE
         ---------
+        import std.algorithm : sort;
         import std.file;         // D file I/O
         import std.stdio;
         import std.ascii;
 
-        void main (string[] args)
+        void main(string[] args)
         {
             ulong totalWords, totalLines, totalChars;
             ulong[string] dictionary;
@@ -507,7 +510,7 @@ $(H3 $(LNAME2 aa_example, Associative Array Example: word count))
             {
                 ulong wordCount, lineCount, charCount;
 
-                foreach(line; File(arg).byLine())
+                foreach (line; File(arg).byLine())
                 {
                     bool inWord;
                     size_t wordStart;
@@ -552,19 +555,21 @@ $(H3 $(LNAME2 aa_example, Associative Array Example: word count))
                 totalChars += charCount;
             }
 
+            const char[37] hr = '-';
             if (args.length > 2)
             {
-                writefln("-------------------------------------\n%8s%8s%8s total",
-                         totalLines, totalWords, totalChars);
+                writeln(hr);
+                writefln("%8s%8s%8s total", totalLines, totalWords, totalChars);
             }
 
-            writeln("-------------------------------------");
+            writeln(hr);
             foreach (word; dictionary.keys.sort)
             {
                 writefln("%3s %s", dictionary[word], word);
             }
         }
         ---------
+)
 
 $(H3 $(LNAME2 aa_example_iteration, Associative Array Example: counting pairs))