[Solved] Identify the error in this Swift code:func greet() { print("Hello") } let sayHello = greet() sayHello() | Swift

Swift - Functions

Identify the error in this Swift code:

func greet() {
    print("Hello")
}
let sayHello = greet()
sayHello()

AsayHello is not a function but the result of greet()

Bgreet() cannot be called without parameters

CMissing return type in greet function

DCannot assign function to a constant

Step-by-Step Solution

Solution:

Step 1: Analyze assignment
'sayHello' is assigned the result of calling 'greet()', which is Void (no value).
Step 2: Calling sayHello()
Since 'sayHello' is Void, calling 'sayHello()' causes an error.
Final Answer:
sayHello is not a function but the result of greet() -> Option A
Quick Check:
Assigning function call result, not function = C [OK]

Quick Trick: Assign function name without () to store function [OK]

Common Mistakes:

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