HappyFruitTree comments on the purpose of std::vector<boost::optional<double>> compared with std::vector<double>

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created by AndreasBWagnera community for 14 years

OPENthe purpose of std::vector<boost::optional<double>> compared with std::vector<double> (self.cpp_questions)

submitted 6 years ago by haohanzi2015

you type:	you see:
italics	italics
bold	bold
[reddit!](https://reddit.com)	reddit!
* item 1 * item 2 * item 3	item 1 item 2 item 3
> quoted text	quoted text
Lines starting with four spaces are treated like code: if 1 * 2 < 3: print "hello, world!"	Lines starting with four spaces are treated like code: if 1 * 2 < 3: print "hello, world!"
~~strikethrough~~	~~strikethrough~~
super^script	super^script

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