《Big C++ 》Third Edition电子书和代码全集-Part1

				
				
				
					
					
				  
				  
					
					
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				23.5 Maps - Operations
				
				
				
					
						Operation
						Description
					
					
						map()
						Construct an empty map
					
					
						map(iter, iter)
						Initialize a new map from the given range of values
					
					
						begin()
						Return iterator
					
					
						count(key)
						Return number of entries with key (0 or 1)
					
					
						empty()
						Return true if collection is empty
					
					
						end()
						Return ending iterator
					
					
						erase(iter)
						Erase value at indicated location
					
					
						erase(iter, iter)
						Erase range of values
					
				
				
				
				
				
				
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