operator<= (list) (STL/CLR)

[アーティクル]
06/05/2017

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The latest version of this topic can be found at operator<= (list) (STL/CLR).

List less than or equal comparison.

Syntax

template<typename Value>  
    bool operator<=(list<Value>% left,  
        list<Value>% right);

Parameters

left
Left container to compare.

right
Right container to compare.

Remarks

The operator function returns !(``right < left``). You use it to test whether left is not ordered after right when the two lists are compared element by element.

Example

// cliext_list_operator_le.cpp   
// compile with: /clr   
#include <cliext/list>   
  
int main()   
    {   
    cliext::list<wchar_t> c1;   
    c1.push_back(L'a');   
    c1.push_back(L'b');   
    c1.push_back(L'c');   
  
// display contents " a b c"   
    for each (wchar_t elem in c1)   
        System::Console::Write(" {0}", elem);   
    System::Console::WriteLine();   
  
// assign to a new container   
    cliext::list<wchar_t> c2;   
    c2.push_back(L'a');   
    c2.push_back(L'b');   
    c2.push_back(L'd');   
  
// display contents " a b d"   
    for each (wchar_t elem in c2)   
        System::Console::Write(" {0}", elem);   
    System::Console::WriteLine();   
  
    System::Console::WriteLine("[a b c] <= [a b c] is {0}",   
        c1 <= c1);   
    System::Console::WriteLine("[a b d] <= [a b c] is {0}",   
        c2 <= c1);   
    return (0);   
    }

 a b c  
 a b d  
[a b c] <= [a b c] is True  
[a b d] <= [a b c] is False

Requirements

Header: <cliext/list>

Namespace: cliext

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