Sync

Task/Null-object/AWK/null-object.awk

@@ -0,0 +1,7 @@
+#!/usr/bin/awk -f
+BEGIN {
+  b=0;
+  print "<"b,length(b)">"
+  print "<"u,length(u)">"
+  print "<"u+0,length(u+0)">";
+}

Task/Null-object/Chapel/null-object.chapel

@@ -0,0 +1,3 @@
+class C { };
+var c:C; // is nil
+writeln(if c == nil then "nil" else "something");

Task/Null-object/MATLAB/null-object.m

@@ -0,0 +1,8 @@
+a = []; b='';
+isempty(a)
+isempty(b)
+if (a)
+  1,
+else,
+  0
+end;