dyn Highly dynamic and powerful scripting language Example print("Hello, world!") Syntax Overview Comments // single line comment /* block comment */ Arithmetics You can perform basic arithmetics like addition, subtraction, multiplication, etc. 1 + 2 5 - 10 3 * 4 50 / 7 36 % 5 Variable declaration Use let keyword to declare an immutable variable. let x = 5 let y = x + 10 print(y) // 15 You can add ! to make the variable mutable. let! a = 0 a = 5 print(a) // 5 a += 2 print(a) // 7 Conditional statements Use if expression to execute a block based on conditions. let x = 10 if x > 5 { print("x is greater than 5") } You can use else to handle the other case. let today = "Monday" if today == "Saturday" || today == "Sunday" { print("It's weekend!") } else { print("It's weekday :(") } Loop Use iter and of keywords to iterate over an array. let friends = [ "abiria" "andjsrk" "kangjun" "ensuta" ] iter friends of person { print("Hello, " + person + "!") } Build $ git clone https://github.com/abiriadev/dyn && cd dyn $ cargo install --path ./crates/cli Run REPL $ dyn # if you want to execute a script, pass the file path as an argument $ dyn ./examples/hello.dyn TODO REPL Closure LSP
