Initial data commit

Task/Arrays/Sather/arrays.sa

@@ -0,0 +1,12 @@
+-- a is an array of INTs
+a :ARRAY{INT};
+-- create an array of five "void" elements
+a := #ARRAY{INT}(5);
+-- static creation of an array with three elements
+b :ARRAY{FLT} := |1.2, 1.3, 1.4|;
+-- accessing an array element
+c ::= b[0]; -- syntactic sugar for b.aget(0)
+-- set an array element
+b[1] := c; -- syntactic sugar for b.aset(1, c)
+-- append another array
+b := b.append(|5.5|);