<=> -package:stm-conduit
Vertical box layout: put the specified widgets one above the other in
the specified order. Defers growth policies to the growth policies of
both widgets. This operator is a binary version of
vBox.
Utility function for inserting a
= between two
Doc
values.
Pretty print separator with = (for assignments...).
>>> "a" <=> "123"
a = 123
Symbolic boolean equivalence