Efene: an Erlang VM language

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Efene Programming Language

Efene is an alternative syntax for the Erlang Programming Language focusing on simplicity, consistency, ease of use and programmer UX.

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Function

1. fn two_are_the_same
   
2.     case A, A: true
   
3.     case _, _: false
   
4. end

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1. fn two_are_the_same_1
   
2.     case A, A: true
   
3.     else: false
   
4. end

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1. fn two_are_the_same_2
   
2.     case _A, _A: true
   
3.     else: false
   
4. end

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print

1. print("first argument is ~p second argument is ~p", [1, false])

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will print:

1. first argument is 1 second argument is false

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for

1. for I in lists.seq(1, 10):
   
2.     print("I: ~p", [I])
   
3. end

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Strings

• binary strings: ‘hi there’, ‘’
• list strings: “hi there”, “”
  

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Tuples:

(), (1,), (1, 2)

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maps

1. Account1 = {username: 'bob', password: 'secret', email: 'bob@gmail.com'}

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1. {username = Username, email = Email} = Account1

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pattern match

1. [One, Two, Three, Four] = [1, 2, 3, 4]
   
2. [Head1 :: Tail1] = [1, 2, 3, 4]

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when

1. when A < 10:
   
2.     io.format("A < 10")
   
3. else A < 20:
   
4.     io.format("A < 20 and >= 10")
   
5. else A < 30:
   
6.     io.format("A < 30 and >= 20")
   
7. else:
   
8.     io.format("A > 30")
   
9. end

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try

1. try
   
2.   1/0
   
3. catch
   
4.     case error, badarith: ok
   
5. end

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1. try
   
2.   1/0
   
3. catch
   
4.     case error, badarith: ok
   
5. after
   
6.   ok
   
7. end

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