VMS Help PASCAL, Statements, WITH *Conan The Librarian (sorry for the slow response - running on an old VAX) |
The WITH statement provides an abbreviated notation for references to the fields of a record variable or to the formal discriminants of a discriminated schema type. Syntax: WITH {record-variable | schema-variable},... DO statement The 'record-variable' is the name of the record variable being referenced. The 'schema-variable' is the name of the schema variable being referenced whose type is a discriminated schema type. This underlying type of the schema can be a record. The 'statement' is any Compaq Pascal statement. The WITH statement allows you to refer to the fields of a record or to an formal discriminant of a schema by their names alone, rather than by the record.field-identifier or schema-variable.formal-discriminant syntax. In effect, the WITH statement opens the scope so that references to field identifiers or to formal discriminants alone are unambiguous. When you access a variable using a WITH statement, the reference syntax lasts only throughout the execution of the statement. If you are specifying nested records, their variable names must appear in the order in which they were nested in the record type definition. If you are working with record and schema variables that are not nested, you can specify variable names in any order. If you specify record or schema variables whose field names or formal discriminants conflict with one another, Compaq Pascal uses the last record or schema in the comma list.
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