$ go run templates.go 
Value is my-template
Value is some text
Value is true
Value is 5
Value is [Go Rust C++ C#]
Value is {Arash}
Firstname: Arash, Lastname: Sameni
Firstname: Robert, Lastname: Griesemer

        Else block

        Else if block => Some text
Range: 
        Go

        Rust

        C++

        C#
Variables: 
go
C