Initial data commit

Task/Conditional-structures/Transd/conditional-structures.transd

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+#lang transd
+
+MainModule: {
+    _start: (λ locals: b 1 c 0
+        (textout (if b "OK" else "NO") "\n")
+
+        // switch/case emulation
+
+        (textout (* 5
+            (if (== b 0) 2
+            elsif (== b 1) 5
+            else 6)) "\n")
+
+        // example of using 'or' as a conditional construct
+
+        (or (!= c 0) (textout "c is 0"))
+    )
+}