Introduction to References
A reference is an alias, or an alternative name, for an existing variable. It provides a way to access the value of a variable indirectly through another name. They do not have a memory address of their own. Instead they refer to the memory address of the variable they are referencing.
reference
9
1
2
int originalVariable = 42;
int& referenceVariable = originalVariable;
12int originalVariable = 42; int& referenceVariable = originalVariable;
Now referenceVariable
is an alias for originalVariable
. The primary purpose of references is to simplify and make safe, more readable code and avoid unnecessary memory overhead.
Advantages of Reference
Alt var klart?
Takk for tilbakemeldingene dine!
Seksjon 3. Kapittel 1
Spør AI
Spør om hva du vil, eller prøv ett av de foreslåtte spørsmålene for å starte chatten vår