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Scala @ PP

1. Installation

2. Syntax

2.1. Writing functions 2.2. Function evaluation (order of parameters in function call matters !)

  1. using the ⇒ to delay evaluation

2.3. Conditionals 

   '' def f(x : Int) = if (x >= 0) x else -x''
   - boolean expressions (''true'', ''false'', ''!b'', ''&&'', ''||'')
   - the "by value" definition using ''val''
   - example using def and val against a loop