Sync

Task/Introspection/D/introspection.d

@@ -0,0 +1,22 @@
+import std.compiler, std.math;
+
+void main() {
+    // Compile-time constants of the compiler version:
+    static if (version_major < 2 && version_minor > 50) {
+        // this prevents further compilation
+        static assert(false, "I can't cope with this compiler version");
+    } else {
+        pragma(msg, "The compiler version is acceptable.");
+    }
+
+    immutable bloop = 10;
+
+    // To check if something compiles:
+    //static if (__traits(compiles, bloop.abs)) {
+    static if (__traits(compiles, abs(bloop))) {
+        pragma(msg, "The expression is compilable.");
+        auto x = bloop.abs;
+    } else {
+        pragma(msg, "The expression can't be compiled.");
+    }
+}