isMember
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isMember
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The isMember function determines whether or not the specified object
{obj} is a member of the {target} Vector. If the {obj} is found, true is returned.
If {obj} is not found, false is returned. The isMember
function uses the isEqual predicate. The isMember function determines whether or not the specified key
{key} is a member of the {target} Structure. If the {key} is found, true is returned.
If {key} is not found, false is returned. The isMember
function uses the isEqual predicate. The isMember function determines whether or not the specified key
{key} is a member of the {target} Dictionary. If the {key} is found, true is returned.
If {key} is not found, false is returned. The isMember
function uses the isEqual predicate. The isMember function determines whether or not the specified key
{key} is a member of the {target} Directory. If the {key} is found, true is returned.
If {key} is not found, false is returned. The isMember
function uses the isEqual predicate. The isMember function determines whether or not the specified object
{obj} is a member of the {target} Matrix. If the {obj} is found, true is returned.
If {obj} is not found, false is returned. The isMember
function uses the isEqual predicate. The isMember function determines whether or not the specified object
{obj} is a member of the {target} NumMatrix. If the {obj} is found, true is returned.
If {obj} is not found, false is returned. The isMember
function uses the isEqual predicate. The isMember function determines whether or not the specified object
{obj} is a member of the {target} Pair or List. If the {obj} is found, true is returned.
If {obj} is not found, false is returned. The isMember
function uses the isEqual predicate. Usage The isMember function is used to determine if an object is in the Vector
It returns a Boolean value true if found in the Vector or
false if not found. If the desired information is the index of the object,
then the member function should be used instead
The isMember function is used to determine if a symbolic key is in a
specified Structure. It returns a Boolean value true if found
in the Structure or
false if not found. If the desired information is the index of the symbolic key,
then the member function should be used instead
The isMember function is used to determine if a symbolic key is in a
specified Dictionary. It returns a Boolean value true if found
in the Dictionary or
false if not found. If the desired information is the index of the symbolic key,
then the member function should be used instead
The isMember function is used to determine if a symbolic key is in a
specified Directory. It returns a Boolean value true if found
in the Directory or
false if not found. If the desired information is the index of the symbolic key,
then the member function should be used instead
Note: Returns an error message if the Matrix is not of rank one. The isMember function is used to determine if an object is in the Matrix
It returns a Boolean value true if found in the Matrix or
false if not found. If the desired information is the index of the object,
then the member function should be used instead
Note: Returns an error message if the NumMatrix is not of rank one. The isMember function is used to determine if an object is in the NumMatrix
It returns a Boolean value true if found in the Matrix or
false if not found. If the desired information is the index of the object,
then the member function should be used instead
The isMember function is used to determine if an object is in the Pair or List
It returns a Boolean value true if found in the Pair or List or
false if not found. If the desired information is the index of the object,
then the member function should be used instead
The isMember function is used to determine if an object is in the List
It returns a Boolean value true if found in the List or
false if not found. If the desired information is the index of the object,
then the member function should be used instead
Structure
Dictionary
Directory
Matrix
NumMatrix
Pair
Structure
Dictionary
Directory
Matrix
NumMatrix
Pair
List
(isMember obj vector) Returns true if the object was found. Returns false if the objec was not found.
(isMember key obj) Returns true if the key was found. Returns false if the key was not found.
(isMember key obj) Returns true if the key was found. Returns false if the key was not found.
(isMember key obj) Returns true if the key was found. Returns false if the key was not found.
(isMember obj matrix) Returns true if the object was found. Returns false if the objec was not found.
(isMember obj nummatrix) Returns true if the object was found. Returns false if the object was not found.
(isMember obj pair) Returns true if the object was found. Returns false if the objec was not found.
(isMember obj list) Returns true if the object was found. Returns false if the object was not found.
Expression:
Arguments
Name
Type
Description Argument: obj Character String Symbol Vector BitVector ByteVector IntVector
FltVector ObjVector Structure Dictionary Directory
Matrix NumMatrix Integer Float Number Complex Boolean
The object to search for . Argument: vector Vector ShortVector IntVector NumVector ObjVector BitVector
The target vector.
Returns:
Expression:
Arguments
Name
Type
Description Argument: key Symbol
The key to search for (it must be a symbol). Argument: obj Structure
The target object.
Returns:
Expression:
Arguments
Name
Type
Description Argument: key Symbol
The key to search for (it must be a symbol). Argument: obj Dictionary
The target object.
Returns:
Expression:
Arguments
Name
Type
Description Argument: key Symbol
The key to search for (it must be a symbol). Argument: obj Directory
The target object.
Returns:
Expression:
Arguments
Name
Type
Description Argument: obj Character String Symbol Vector BitVector ByteVector IntVector
FltVector ObjVector Structure Dictionary Directory
Matrix NumMatrix Integer Float Number Complex Boolean
The object to search for . Argument: matrix Matrix
The target matrix.
Returns:
Expression:
Arguments
Name
Type
Description Argument: obj Character String Symbol Vector BitVector ByteVector IntVector
FltVector ObjVector Structure Dictionary Directory
Matrix NumMatrix Integer Float Number Complex Boolean
The object to search for . Argument: nummatrix NumMatrix
The target nummatrix.
Returns:
Expression:
Arguments
Name
Type
Description Argument: obj Character String Symbol Vector BitVector ByteVector IntVector
FltVector ObjVector Structure Dictionary Directory
Matrix NumMatrix Integer Float Number Complex Boolean
The object to search for . Argument: pair Pair
The target Pair.
Returns:
Expression:
Arguments
Name
Type
Description Argument: obj Character String Symbol Vector BitVector ByteVector IntVector
FltVector ObjVector Structure Dictionary Directory
Matrix NumMatrix Integer Float Number Complex Boolean
The object to search for . Argument: pair List
The target List.
Returns:
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.
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