update swig on windows

winx64/bin/swigwin-4.0.0/Examples/d/simple/Makefile

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+include ../example.mk

winx64/bin/swigwin-4.0.0/Examples/d/simple/d1/runme.d

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+module runme;
+
+import tango.io.Stdout;
+static import example;
+
+void main() {
+  /*
+   * Call our gcd() function.
+   */
+  int x = 42;
+  int y = 105;
+  int g = example.gcd( x, y );
+  Stdout.format( "The gcd of {} and {} is {}.", x, y, g ).newline;
+
+  /*
+   * Manipulate the Foo global variable.
+   */
+
+  // Output its current value
+  Stdout.format( "Foo = {}", example.Foo ).newline;
+
+  // Change its value
+  example.Foo = 3.1415926;
+
+  // See if the change took effect
+  Stdout.format( "Foo = {}", example.Foo ).newline;
+}

winx64/bin/swigwin-4.0.0/Examples/d/simple/d2/runme.d

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+module runme;
+
+import std.stdio;
+static import example;
+
+void main() {
+  /*
+   * Call our gcd() function.
+   */
+  int x = 42;
+  int y = 105;
+  int g = example.gcd(x, y);
+  writefln("The gcd of %s and %s is %s.", x, y, g);
+
+  /*
+   * Manipulate the Foo global variable.
+   */
+
+  // Output its current value
+  writefln("Foo = %s", example.Foo);
+
+  // Change its value
+  example.Foo = 3.1415926;
+
+  // See if the change took effect
+  writefln("Foo = %s", example.Foo);
+}

winx64/bin/swigwin-4.0.0/Examples/d/simple/example.c

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+/* File : example.c */
+
+/* A global variable */
+double Foo = 3.0;
+
+/* Compute the greatest common divisor of positive integers */
+int gcd(int x, int y) {
+  int g;
+  g = y;
+  while (x > 0) {
+    g = x;
+    x = y % x;
+    y = g;
+  }
+  return g;
+}
+
+

winx64/bin/swigwin-4.0.0/Examples/d/simple/example.i

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+/* File : example.i */
+%module example
+
+%inline %{
+extern int    gcd(int x, int y);
+extern double Foo;
+%}