Initial data commit

Task/Flow-control-structures/Zkl/flow-control-structures-1.zkl

@@ -0,0 +1,4 @@
+continue; continue(n);  // continue nth nested loop
+break; break(n);  // break out of nth nested loop
+try{ ... }catch(exception){ ... } [else{ ... }]
+onExit(fcn);  // run fcn when enclosing function exits

Task/Flow-control-structures/Zkl/flow-control-structures-2.zkl

@@ -0,0 +1,3 @@
+urlText.pump(String,
+   fcn(c){ if(c=="%")return(Void.Read,2); return(Void.Skip,c) },
+   fcn(_,b,c){(b+c).toInt(16).toChar()})

Task/Flow-control-structures/Zkl/flow-control-structures-3.zkl

@@ -0,0 +1,2 @@
+urlText:="http%3A%2F%2Ffoo.com%2Fbar";
+urlText.pump(...).println();