Timeline for How should one use std::optional?
Current License: CC BY-SA 3.0
6 events
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| Jun 3, 2017 at 14:15 | comment | added | underscore_d |
@Wiz This is actually a great example. It (A) lets str2int() implement the conversion however it wants, (B) regardless of the method of obtaining the string s, and (C) conveys full meaning via the optional<int> instead of some stupid magic-number, bool/reference, or dynamic-allocation based way of doing it.
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| Oct 3, 2013 at 16:35 | comment | added | Luis Machuca |
Because you can pass the information on whether you got an int or not up or down call hierarchy, instead of passing around some "phantom" value "assumed" to have a "error" meaning.
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| May 31, 2013 at 15:53 | history | edited | taocp | CC BY-SA 3.0 |
edited body
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| May 31, 2013 at 15:47 | history | undeleted | taocp | ||
| May 31, 2013 at 15:46 | history | deleted | taocp | ||
| May 31, 2013 at 15:42 | history | answered | taocp | CC BY-SA 3.0 |