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[tlaplus] When to prefer function or operator?
There are cases when either a function or operator will solve a task more-or-less equivalently.
For example, both this function and operator accomplish a roughly-equivalent result:
addOne[x \in Nat] == x + 1
addOneOperator(x) == x + 1
My question is: when either an operator or function will accomplish a job, which one would you prefer? What are the tradeoffs?
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