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    Pred

    Return previous element for an ordinal type.

    Declaration

    Source position: system.fpd line 59

    function Pred(X: TOrdinal) : TOrdinal;

    Description

    Pred returns the element that precedes the element that was passed to it. If it is applied to the first value of the ordinal type, and the program was compiled with range checking on ({$R+}), then a run-time error will be generated.

    For an example, see Ord

    You cannot use this function on enumerations with assigned values.

    Errors

    Run-time error 201 is generated when the result is out of range.

    See also

    Name Description
    Ord Return ordinal value of an ordinal type.
    Succ Return next element of ordinal type.
    High Return highest index of open array or enumerated.
    Low Return lowest index of open array or enumerated.