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aa397.txt

Associated article: A winner in both space and time

Tags: Database     C/C++    

Published source code accompanying Fred Wild's article on the I- string mechanism, a hashing mechanism that provides both compact storage and fast equality tests. Also see AA397.ZIP.

					_Algorithm Alley_ 
by Fred Wild
               

Example 1:

string name = "joe";
Istring fastname (name);

ASSERT ( *fastname == "joe" ) ;
ASSERT ( (*fastname).length() == 3 ) ;
ASSERT ( fastname->length() == 3 ) ;


Listing One
////////////////////////////////////////////////////////////////////////////
//  Istring class internalizes strings for fast comparison for equality

using std::string ;

#...							
										
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