On Thursday, 17 August 2017 at 17:21:16 UTC, Timon Gehr wrote:
On 17.08.2017 18:36, HyperParrow wrote:
On Thursday, 17 August 2017 at 16:32:20 UTC, bitwise wrote:
[...]

Yeah, i like it more than https://github.com/dlang/DIPs/blob/master/DIPs/DIP1012.md.

That makes little sense to me, as DIP 1012 is strictly more general.

template safety(bool safetyOn){ // (this can even be in core)
    static if(safetyOn) alias safety = FunctionSafety.safe;
    else alias safety = FunctionSafety.system;
    // else alias safety = infer!FunctionSafety; // even better!
}

struct Container(T, bool safetyOn = true){
    static if(safe) RefCounted!(T[]) data;
    else T[] data;

    auto opSlice() @safety!safetyOn {
        return Range(data, 0, data.length);
    }
}

The application of DIP 1012 would have catastrophic effects on the current tooling but as usual nobody thinks to that.

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