Data commit

Task/Variables/Lambdatalk/variables.lambdatalk

@@ -0,0 +1,22 @@
+1) working in a global scope
+
+{def A 3}
+-> A                                 // A   is in the global scope
+{def B 4}
+-> B                                 // B   is in the global scopel
+{def MUL {lambda {:x :y} {* :x :y}}}
+-> MUL                               // MUL is a global function
+{MUL {A} {B}}                        // using global variables
+-> 12
+
+2) working in a local scope
+
+{let                                 // open local scope
+ {                                     // begin defining and assigning local variables
+   {:a 3}                                // :a is local
+   {:b 4}                                // :b is local
+   {:mul {lambda {:x :y} {* :x :y}}}     // :mul is a local function
+ }                                     // end defining and assigning local variables
+   {:mul :a :b}                        // computing with local variables
+}                                    // closing local scope
+-> 12