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-rw-r--r--src/Makefile.am11
-rwxr-xr-xsrc/helloworld.d93
2 files changed, 104 insertions, 0 deletions
diff --git a/src/Makefile.am b/src/Makefile.am
new file mode 100644
index 0000000..520df7e
--- /dev/null
+++ b/src/Makefile.am
@@ -0,0 +1,11 @@
+SUFFIXES= .d
+
+.d.o:
+ $(GDC) $(DFLAGS) -c -o $@ $<
+
+bin_PROGRAMS = helloworld
+
+helloworld_SOURCES = helloworld.d
+helloworld_LDADD = $(DEPS_LIBS)
+
+AM_CPPFLAGS = $(DEPS_CFLAGS)
diff --git a/src/helloworld.d b/src/helloworld.d
new file mode 100755
index 0000000..c3e6843
--- /dev/null
+++ b/src/helloworld.d
@@ -0,0 +1,93 @@
+/* sh style script syntax is supported */
+
+/* Hello World in D
+ To compile:
+ dmd hello.d
+ or to optimize:
+ dmd -O -inline -release hello.d
+*/
+
+import std.stdio;
+
+void main(char[][] args)
+{
+ writefln("Hello World, Reloaded");
+
+ // auto type inference and built-in foreach
+ foreach (argc, argv; args)
+ {
+ // Object Oriented Programming
+ CmdLin cl = new CmdLin(argc, argv);
+ // Improved typesafe printf
+ writefln(cl.argnum, cl.suffix, " arg: %s", cl.argv);
+ // Automatic or explicit memory management
+ delete cl;
+ }
+
+ // Nested structs and classes
+ struct specs
+ {
+ // all members automatically initialized
+ int count, allocated;
+ }
+
+ // Nested functions can refer to outer
+ // variables like args
+ specs argspecs()
+ {
+ specs* s = new specs;
+ // no need for '->'
+ s.count = args.length; // get length of array with .length
+ s.allocated = typeof(args).sizeof; // built-in native type properties
+ foreach (argv; args)
+ s.allocated += argv.length * typeof(argv[0]).sizeof;
+ return *s;
+ }
+
+ // built-in string and common string operations
+ writefln("argc = %d, " ~ "allocated = %d",
+ argspecs().count, argspecs().allocated);
+}
+
+class CmdLin
+{
+ private int _argc;
+ private char[] _argv;
+
+public:
+ this(int argc, char[] argv) // constructor
+ {
+ _argc = argc;
+ _argv = argv;
+ }
+
+ int argnum()
+ {
+ return _argc + 1;
+ }
+
+ char[] argv()
+ {
+ return _argv;
+ }
+
+ char[] suffix()
+ {
+ char[] suffix = "th";
+ switch (_argc)
+ {
+ case 0:
+ suffix = "st";
+ break;
+ case 1:
+ suffix = "nd";
+ break;
+ case 2:
+ suffix = "rd";
+ break;
+ default:
+ break;
+ }
+ return suffix;
+ }
+}