Pass by Value
When we pass function arguments, there are two ways to do this:
- By value: the function's variable copies the parameter's value without changing the argument.
- By reference: the function's variable copies the reference of the parameter by changing the argument.
By value:
12345678910void incValue(int x) { x++; } int main() { int x = 1; incValue(x); cout << x; return 0; }
As you can see by the output, x didn't change since we changed the copy of x in the function incValue().
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Sección 4. Capítulo 7
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When we pass function arguments, there are two ways to do this:
- By value: the function's variable copies the parameter's value without changing the argument.
- By reference: the function's variable copies the reference of the parameter by changing the argument.
By value:
12345678910void incValue(int x) { x++; } int main() { int x = 1; incValue(x); cout << x; return 0; }
As you can see by the output, x didn't change since we changed the copy of x in the function incValue().
¿Todo estuvo claro?
¡Gracias por tus comentarios!
Sección 4. Capítulo 7
