34 lines
1.0 KiB
Objective-C
34 lines
1.0 KiB
Objective-C
@import Foundation;
|
|
|
|
NS_ASSUME_NONNULL_BEGIN
|
|
|
|
@interface NSArray <__covariant ObjectType>
|
|
(WMFMapping)
|
|
|
|
/**
|
|
* Map the array using the provided block.
|
|
* If nil is returned by the block an assertion will be thrown in DEBUG
|
|
* If not in debug, then [NSNull null] will be added to the array
|
|
*
|
|
* @param block The block to map
|
|
*
|
|
* @return The new array of mapped objects
|
|
*/
|
|
- (NSArray *)wmf_strictMap : (id (^)(id obj))block;
|
|
|
|
/**
|
|
* Transform the elements in the receiver, returning @c nil for those that should be excluded.
|
|
*
|
|
* Reduces a common pattern of mapping/filtering in one step.
|
|
*
|
|
* @param flatMap Block which takes a single parameter of the type of elements in the receiver, and returns
|
|
* another object or @c nil if the object should be excluded from the result.
|
|
*
|
|
* @return A new array with the objects transformed by @c flatMap, excluding the @c nil results.
|
|
*/
|
|
- (NSArray *)wmf_mapAndRejectNil:(id _Nullable (^_Nonnull)(ObjectType _Nonnull obj))flatMap;
|
|
|
|
@end
|
|
|
|
NS_ASSUME_NONNULL_END
|