Fixtype of Leo binary operators.
This is a tagged union type, introduced by fty::deftagsum.
These are the four boolean operations, the six comparisons, the three bitwise operations, the four shift operations, the ten arithmetic operations, and two raise-to-power operations.
This type does not distinguish between different
syntaxes that can be used to create a binary operator;
for example,
See binop-for-opcall-name for more information.