Basic Examples 
(2)
 

Delete adjacent duplicated elements:
In[1]:=
[◼]
DeleteAdjacentDuplicates
[{0,0,0,1,1,2,0,0,0,0}]
Out[1]=
{0,1,2,0}
———
Delete elements whose values duplicate those just before them in the association:
In[1]:=
[◼]
DeleteAdjacentDuplicates
[<|a1,b1,c2,d2,e1|>]
Out[1]=
a1,c2,e1

Scope 
(4)
 


Properties and Relations 
(2)
 
