Index

请注意，这里的数据源请尽量使用Distinct的，否则对于重复的数据，只会记录下第一个位置

this constructor will create an empty index object if the given source input is nothing.

默认是从0开始的

与Index.Objects只读属性的功能相似，只不过这个函数是Linq枚举器模式

get element index

this function returns -1 if synonym value is not found inside the index

just removes the key, the index ordinal offset will not make any changes

just removes the key, the index ordinal offset will not make any changes

For Linq where

这个函数是线程不安全的

this function will ignores of the existed duplicated item

这个函数所返回来的值是所添加的x的index值

insert the specific element into the specific location of the index

add a collection of the unique items into current index object

Please note that this function is a iterator function. which means your MUST call the ToArray or ToList method to execute this function, or the items will not be added into current index object.

clear mapping and reset the index offset

Display the input source sequence.

cast index to a dictionary mapping of object element value to its index value

Create a index of target element array with index base zero

Create a index of target element array with index base zero

Add a new key to this index object.

Delete items from source index and then returns the new modify index collection

removes elements from list based on a given filter element list.

a new sequence that not have any elements inside the filter list.

item is one of the element in indexr

The element numbers in current index object is equals to given count number value?

The element count inside current index object greater than the given count?

The element count inside current index object smaller than the given count?

create a zero-based object index