字典和集合的泛型参数支持

Author: jueying

JKCategories/Foundation/NSDictionary/NSDictionary+JKBlock.h

@@ -16,7 +16,7 @@
 - (void)jk_eachValue:(void (^)(ObjectType v))block;
 - (NSArray *)jk_map:(id (^)(KeyType key, ObjectType value))block;
 - (NSDictionary <KeyType, id>*)jk_mapValues:(id (^)(ObjectType value))block;
-- (NSDictionary *)jk_pick:(NSArray *)keys;
-- (NSDictionary *)jk_omit:(NSArray *)key;
+- (NSDictionary <KeyType, ObjectType>*)jk_pick:(NSArray <KeyType>*)keys;
+- (NSDictionary <KeyType, ObjectType>*)jk_omit:(NSArray <KeyType>*)key;
 
 @end

JKCategories/Foundation/NSSet/NSSet+JKBlock.h

@@ -8,13 +8,13 @@
 
 #import <Foundation/Foundation.h>
 
-@interface NSSet (JKBlock)
-- (void)jk_each:(void (^)(id))block;
-- (void)jk_eachWithIndex:(void (^)(id, int))block;
-- (NSArray *)jk_map:(id (^)(id object))block;
-- (NSArray *)jk_select:(BOOL (^)(id object))block;
-- (NSArray *)jk_reject:(BOOL (^)(id object))block;
-- (NSArray *)jk_sort;
-- (id)jk_reduce:(id(^)(id accumulator, id object))block;
-- (id)jk_reduce:(id)initial withBlock:(id(^)(id accumulator, id object))block;
+@interface NSSet<__covariant ObjectType> (JKBlock)
+- (void)jk_each:(void (^)(ObjectType))block;
+- (void)jk_eachWithIndex:(void (^)(ObjectType object, int idx))block;
+- (NSArray *)jk_map:(id (^)(ObjectType object))block;
+- (NSArray <ObjectType>*)jk_select:(BOOL (^)(ObjectType object))block;
+- (NSArray <ObjectType>*)jk_reject:(BOOL (^)(ObjectType object))block;
+- (NSArray <ObjectType>*)jk_sort;
+- (id)jk_reduce:(id(^)(id accumulator, ObjectType object))block;
+- (id)jk_reduce:(id)initial withBlock:(id(^)(id accumulator, id ObjectType))block;
 @end