From cppreference.com
Usage
loop: as the declaration of the loop
range-based
loop: as the declaration of the loop
(since C++11)Example
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#include<iostream>intmain()noexcept{// The following 'for' loop statement:// 1. (init-statement) Declares an integer named 'i' and initializes it with value '0'.// 2. (condition) Checks if i is less than 3 and if not, ends the loop execution.// 3. (statement) Writes out a current value of the integer 'i' to the stdout.// 4. (expression) Pre-increments the integer 'i' (increases its value by 1).// 5. Returns to the point 2 (condition).// init-statement: int i{0};// condition: i < 3for(inti{0};i<3;++i)// expression: ++istd::cout<<i;// statement: std::cout << i;}Output:
012 See also
statement:
,
statement:
,
(as case label declaration) etc:
statement:
statement:
statement:
statement:
loop and
:
,