How to avoid "if" chains?

Question

Assuming I have this pseudo-code: bool conditionA = executeStepA(); if (conditionA){ bool conditionB = executeStepB(); if (conditionB){ bool conditionC = executeStepC(); if (conditionC){ ... } } } executeThisFunctionInAnyCase();Functions `executeStepX` should be executed if and only if the previous succeed.In any case, the `executeThisFunctionInAnyCase` function should be called at the end.I'm a newbie in programming, so sorry for the very basic question: is there a way (in C/C++ for example) to avoid that long `if` chain producing that sort of "pyramid of code", at the expense of the code legibility?I know that if we could skip the `executeThisFunctionInAnyCase` function call, the code could be simplified as: bool conditionA = executeStepA(); if (!conditionA) return; bool conditionB = executeStepB(); if (!conditionB) return; bool conditionC = executeStepC(); if (!conditionC) return;But the constraint is the `executeThisFunctionInAnyCase` function call.Could the `break` statement be used in some way?

Answer 1

you do not need to keep nesting try this pattern:

bool conditionA = executeStepA();

bool conditionB = false;

bool conditionC = false;

...

bool conditionXXX = false

...

bool conditionLast = false;

if (conditionA)

{

conditionB = executeStepB();

}

if (conditionB)

{

conditionC = executeStepC();

}

... repeat above pattern like this:

if (conditionX)

{

conditionXX = executeStepXX();

}

...

executeThisFunctionInAnyCase();