add type asserts for MA.operate! return values
#286
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This helps ensure the MutableArithmetics contract is respected. Specifically, `MA.operate!` should always return its first argument. Why this instead of performing a stronger check with `===`? Because: * That would be more verbose * The `===` would sooner have a run time cost than a type assertion
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Is this improving any benchmark or just some double checks ? In any case, please fix the format error and then it should bz good |
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This helps ensure the MutableArithmetics contract is respected. Specifically,
MA.operate!should always return its first argument.Why this instead of performing a stronger check with
===? Because:===would sooner have a run time cost than a type assertion