Go Function Returns

Go (Golang) Function Return Values

In Go, functions can return zero, one, or multiple values.
This is a powerful feature used widely for results and error handling.

1️⃣ Function with No Return Value

2️⃣ Function with Single Return Value

3️⃣ Function with Multiple Return Values (Very Important)

4️⃣ Named Return Values

Return values can be named in the function signature.

✔ return without values uses named returns

5️⃣ Returning Different Data Types

6️⃣ Returning a Slice

7️⃣ Returning a Map

8️⃣ Returning a Function

9️⃣ Returning Error (Common Pattern)

🔟 Early Return

Important Rules

✔ Return type must be declared
✔ Number of returned values must match
✔ Types must match exactly
✔ return ends function execution

Summary

• Functions can return multiple values

• Named returns simplify code

• Commonly used for error handling

• Supports complex return types