A.( x )

Read(329) Label: sequence, member, expression,

Description:

Compute an expression with each member of a sequence.

Syntax:

A.(x)

 

A.()

return A itself

Note:

The function generates a new sequence composed of the results of computing expression x with each member in sequence or record sequence A. Use "~" in x to reference the current member in A.

Parameters:

A

A sequence/a record sequence

x

An expression, which is generally a field name or a legal expression composed of field names and in which "~" is used to reference the current record.

Return value:

A new sequence composed of the results of computing expression x with each member in A

Example: