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
Errors
Run-time error 201 is generated when the result is out of range.
See also
| Name | Description |
|---|---|
| High | Return highest index of open array or enumerated |
| Low | Return lowest index of open array or enumerated |
| Ord | Return ordinal value of an ordinal type. |
| Succ | Return next element of ordinal type. |