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isPair
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The isPair Function returns true if the argument {obj} is a Pair or a List; otherwise false is returned.
When to use The isPair function is used to query an object to determine if it is a Pair or a List.
(isPair obj) Boolean value true if the object is a Pair or List, otherwise false is returned.
Here are a number of links to Lambda coding examples which contain this instruction in various use cases.
Here are the links to the data types of the function arguments. Here are also a number of links to functions having arguments with any of these data types.
You can always talk with the AIS at aiserver.sourceforge.net.
Name
Description
AIS Types obj An Analytic Information Server object Character, String, Symbol, Vector, BitVector, ByteVector, IntVector,
FltVector, ObjVector, Structure, Dictionary, Directory, Pair, List
Matrix, NumMatrix, Integer, Float, Number, Complex, Brick
Returns:
Examples
Argument Types
Character
String
Symbol
Vector
BitVector
ByteVector
IntVector
FltVector
ObjVector
Structure
Dictionary
DirectoryBrick
Pair
List
Matrix
NumMatrix
Integer
Float
Number
Complex
Boolean
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