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pp:2024:scala:l04 [2024/03/24 21:46] tpruteanu |
pp:2024:scala:l04 [2024/03/25 10:07] (current) costin_andrei.vlad |
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| ==== 4.2 Option ==== | ==== 4.2 Option ==== | ||
| - | Option = carrier (like a box or a container) for a single or no element, of a given type. (Ex. Some(_) or None) | + | Option = carrier (like a box or a container) for a single or no element, of a given type. (Ex. ''Some(_)'' or ''None'') |
| We use Option to write robust functions, in case they return null or fail to return an accepted value. | We use Option to write robust functions, in case they return null or fail to return an accepted value. | ||