1.6.5 //Generic findMax, with a function object, C++ style. // Precondition: a.size( ) > 0. 1 2 Like reg 3 template rations const Object & findMax( const vector & arr, Comparator isLessThan ) 4 support specific a single to imple App The dec { 5 int maxIndex = 7 forint i if( isLessThan ( arr[ maxIndex ], arr[ i ] ) ) 1; i < arr.size( ); ++i ) 9 10 max Index i; member 11 But as sh return arr[ max Index ]; 12 complica when co this prob } 13 14 //Generic findMax, using default ordering. 15 Cons 16 #include template the only 17 template const Object & findMax ( const vector & arr ) 18 the code { 19 is easily specific return findMax ( arr, less<0bject>{ } ); 20 } 21 into sep: 22 difforant

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ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
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C++ STL confused between these two functions please explain precisely what are the differences eg:parameters , generic ,etc

1.6.5
//Generic findMax, with a function object, C++ style.
// Precondition: a.size( ) > 0.
1
2
Like reg
3
template <typename Object, typename Comparator>
rations
const Object & findMax( const vector<Object> & arr, Comparator isLessThan )
4
support
specific
a single
to imple
App
The dec
{
5
int maxIndex =
7
forint i
if( isLessThan ( arr[ maxIndex ], arr[ i ] ) )
1; i < arr.size( ); ++i )
9
10
max Index
i;
member
11
But as sh
return arr[ max Index ];
12
complica
when co
this prob
}
13
14
//Generic findMax, using default ordering.
15
Cons
16
#include <functional>
template
the only
17
template <typename Object>
const Object & findMax ( const vector<Object> & arr )
18
the code
{
19
is easily
specific
return findMax ( arr, less<0bject>{ } );
20
}
21
into sep:
22
difforant
Transcribed Image Text:1.6.5 //Generic findMax, with a function object, C++ style. // Precondition: a.size( ) > 0. 1 2 Like reg 3 template <typename Object, typename Comparator> rations const Object & findMax( const vector<Object> & arr, Comparator isLessThan ) 4 support specific a single to imple App The dec { 5 int maxIndex = 7 forint i if( isLessThan ( arr[ maxIndex ], arr[ i ] ) ) 1; i < arr.size( ); ++i ) 9 10 max Index i; member 11 But as sh return arr[ max Index ]; 12 complica when co this prob } 13 14 //Generic findMax, using default ordering. 15 Cons 16 #include <functional> template the only 17 template <typename Object> const Object & findMax ( const vector<Object> & arr ) 18 the code { 19 is easily specific return findMax ( arr, less<0bject>{ } ); 20 } 21 into sep: 22 difforant
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