hets -- a heterogenous Specification (CASL) tool setContentsIndex
ABCDEFGHIKLMNOPQRSTUVWZ:!$&+<@\
Index (<)
<++>
<+>
1 (Function)
2 (Function)
<:>
<<
<<=
<>
1 (Function)
2 (Function)
3 (Function)
<?>
<\+>
<\\+>
<|>
<~>