When using an anonymous function you write functionName.(a,b) and get the value returned. I have seen other languages do functions like functionName(a,b) without a dot. Is there a technical reasoning behind requiring a dot or is it just a syntax preference of Elixir’s creators? I just got really cur…

The main reason is that Elixir is a lisp-2 language - this means that variables and functions “occupy” different name spaces, so calling a function in the functions namespace and calling a function in the variables namespace has to work differently. Most languages are lisp-1 (which means that variab…

Anonymous functions, the dot, and parameters

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idi527 December 15, 2017, 4:53pm 2