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Subject: Re: [boost] [optional] std::tr2::optional
From: paul Fultz (pfultz2_at_[hidden])
Date: 2011-11-18 14:36:49

>I provide a list of >modifications that I could think of. What is your opinion? This is more of an addition to your list, but I think adding the | operator for getting the optional value or a default value would be nice. For example: optional<double> safe_sqrt(double x) {     if (x < 0) return none;     else return sqrt(x); } double x = safe_sqrt(4) | 0; //x = 4 double y = safe_sqrt(-1) | 0; //y = 0 I dont know if this is possible for tr2, but would be really nice addition in the future. Especially, since a lot of times i just want a default value if the optional value doesn't exist.

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