A record (analogous to a structure in some languages) represents a heterogeneous set of elements. Each element is called a field. The declaration of the record type specifies a name and type for each field. The syntax of a record type declaration is

type recordTypeName = record
  fieldList1 : type1;
  ...
  fieldListn : typen;
end;

where recordTypeName is a valid identifier, each type denotes a type, and each fieldList is a valid identifier or a comma-delimited list of identifiers. The scope of a field identifier is limited to the record in which it occurs, so you don’t have to worry about naming conflicts between field identifiers and other variables.

  Note : In mikroPascal PRO for AVR, you cannot use the record construction directly in variable declarations, i.e. without type.

For example, the following declaration creates a record type called TDot:

type
  TDot = record
    x, y : real;
end;

Each TDot contains two fields: x and y coordinates. Memory is allocated when you declare the record, like this:

var m, n: TDot;

This variable declaration creates two instances of TDot, called m and n.

A field can be of previously defined record type. For example:

// Structure defining a circle:
type
  TCircle = record
    radius : real;
    center : TDot;
end;

Accessing Fields

You can access the fields of a record by means of dot (.) as a direct field selector. If we have declared variables circle1 and circle2 of previously defined type TCircle:

var circle1, circle2 : TCircle;

we could access their individual fields like this:

circle1.radius := 3.7;
circle1.center.x := 0;
circle1.center.y := 0;

Accessing the fields is possible via the with statement as well.

You can also commit assignments between complex variables, if they are of the same type:

circle2 := circle1; // This will copy values of all fields

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