cpp/container/vector bool/flip: Difference between revisions
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Andreas Krug (talk | contribs) m fmt |
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int main() | int main() | ||
{ | { | ||
std::vector<bool> v { 0, 1, 0, 1 }; | std::vector<bool> v{0, 1, 0, 1}; | ||
print(v); | print(v); | ||
v.flip(); | v.flip(); | ||
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1010 | 1010 | ||
}} | }} | ||
===See also=== | ===See also=== | ||
{{dsc begin}} | {{dsc begin}} | ||
Revision as of 08:59, 28 September 2023
| Defined in header <vector>
|
||
void flip();
|
(until C++20) | |
constexpr void flip();
|
(since C++20) | |
Toggles each bool in the vector (replaces with its opposite value).
Parameters
(none)
Return value
(none)
Example
Run this code
#include <iostream>
#include <vector>
void print(const std::vector<bool>& vb)
{
for (const bool b : vb)
std::cout << b;
std::cout << '\n';
}
int main()
{
std::vector<bool> v{0, 1, 0, 1};
print(v);
v.flip();
print(v);
}
Output:
0101
1010
See also
| access specified element (public member function of std::vector<T,Allocator>)
| |
| toggles the values of bits (public member function of std::bitset<N>)
|