picks out all elements ei of list for which crit[ei] is True.
picks out the first n elements for which crit[ei] is True.
represents an operator form of Select that can be applied to an expression.
Basic Examples (5)
Select elements that are even:
Use a pure function to test each element:
Return only the first expression selected:
Use the operator form of Select:
Select operates on values in an Association:
Generalizations & Extensions (2)
Properties & Relations (2)
Introduced in 1988
Updated in 2014