HashCode

Type Summary
Hash = LONGINT

          The integer type used to store hash values.
Procedure Summary
Append(Hash, VAR Hash)

          
Boolean(BOOLEAN): Hash

          
CharRegion(ARRAY OF CHAR, LONGINT, LONGINT): Hash

          
LongCharRegion(ARRAY OF LONGCHAR, LONGINT, LONGINT): Hash

          
LongReal(LONGREAL): Hash

          
Ptr(PTR): Hash

          
Real(REAL): Hash

          
Set(SET): Hash

          
UCS4CharRegion(ARRAY OF UCS4CHAR, LONGINT, LONGINT): Hash

          
Constant Summary
init

          When computing a hash from a set of hash codes, do something along the lines of

Type Detail

Hash

TYPE Hash = LONGINT

The integer type used to store hash values.

Procedure Detail

Append

PROCEDURE Append(x: Hash; 
                 VAR hash: Hash)

Boolean

PROCEDURE Boolean(x: BOOLEAN): Hash

CharRegion

PROCEDURE CharRegion(data: ARRAY OF CHAR; 
                     start: LONGINT; 
                     end: LONGINT): Hash

LongCharRegion

PROCEDURE LongCharRegion(data: ARRAY OF LONGCHAR; 
                         start: LONGINT; 
                         end: LONGINT): Hash

LongReal

PROCEDURE LongReal(x: LONGREAL): Hash

Ptr

PROCEDURE Ptr(x: PTR): Hash

Real

PROCEDURE Real(x: REAL): Hash

Set

PROCEDURE Set(x: SET): Hash

UCS4CharRegion

PROCEDURE UCS4CharRegion(data: ARRAY OF UCS4CHAR; 
                         start: LONGINT; 
                         end: LONGINT): Hash
Constant Detail

init

CONST init 

When computing a hash from a set of hash codes, do something along the lines of

x := HashCode.init;
FOREACH y IN (set of hashes) DO
  HashCode.Append(y, x);
END;