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TakeWhile

TakeWhile
gives elements from the beginning of list, continuing so long as is True.
MORE INFORMATION
  • TakeWhile can be used on an object with any head, not necessarily List.
EXAMPLESCLOSE ALL
Basic Examples   (2)
Take elements while they are all even:
Use a pure function to take elements while they are all below 10:
Take elements while they are all even:
In[1]:=
Click for copyable input
Out[1]=
 
Use a pure function to take elements while they are all below 10:
In[1]:=
Click for copyable input
Out[1]=
Scope   (1)
Elements of the list can be any expression:
Generalizations & Extensions   (1)
Use on an expression with head :
Applications   (1)
Find the digits of before the first occurrence of a 7:
Properties & Relations   (3)
TakeWhile is equivalent to Take of LengthWhile:
TakeWhile gives the entire list if is True for all elements:
TakeWhile gives a subset of the elements returned by Select:
Possible Issues   (1)
The list terminates for any value of that is not True:
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