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Task/Test-a-function/REXX/test-a-function-1.rexx

@@ -0,0 +1,10 @@
+/* This REXX uses a lot of REXX keywords as variables. */
+
+signal=(interpret=value);value=(interpret<parse);do upper=value to value
+end;exit=upper*upper*upper*upper-value-upper;say=' ';return=say say say;
+with.=signal;do then=value to exit;pull='';do otherwise=upper to then-,
+value;select=otherwise-value;if.otherwise=with.otherwise+with.select;end
+if.value=value;if.then=value;do otherwise=value to exit-then;pull=pull,
+say''say;end;do otherwise=value to then;pull=pull center(if.otherwise,,
+length(return));end;say pull;do otherwise=value to exit;with.otherwise=,
+if.otherwise;end;end