What are some examples of constants in Go?
In Go, constants are fixed values that cannot be changed. For example, you can define a constant for Pi like this: const Pi = 3.14
.
Can you give me more examples of different types of constants?
Sure! You can have numeric constants like const MaxInt = 2147483647
, string constants like const Greeting = "Hello, World!"
, and boolean constants like const IsActive = true
.
How do I use constants in functions?
You can use constants in functions just like variables. For example, you can use Pi
in a function to calculate the area of a circle: func Area(radius float64) float64 { return Pi * radius * radius }
.
Are there any limitations to using constants?
Yes, constants must be assigned a value at compile time and cannot be changed later. They also cannot be of a function type.
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