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isDate
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The isDate function returns true if the specified argument {obj}
is a Date type; otherwise, false is returned.
When to use The isDate function is used to determine if an object is a Date.
An alternate method of determining if an object is a Date, is the use of the
isType function. See the isType function.
(isDate obj) Returns true if the object is a Date, false is returned otherwise
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 object to be tested. Character String Symbol Vector BitVector ByteVector IntVector Void
FltVector ObjVector Structure Dictionary Directory Brick Pair List
Matrix NumMatrix Integer Float Number Complex Boolean
Returns:
Examples
Argument Types
Character
String
Symbol
Vector
BitVector
ByteVector
IntVector
Void
FltVector
ObjVector
Structure
Dictionary
Directory
Brick
Pair
List
Matrix
NumMatrix
Integer
Float
Number
Complex
Boolean
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