8 - if/while/for/switch
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14 - unary/binary/(ternary) operator
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26 - operators (precedence)
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47 02.08: Schreiben, generics
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48 03.08: Schreiben, namespaces, private
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49 04.08: Schreiben, type system
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57 - const/static/extern
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58 - operator precedence
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62 - call outer functions with same name (::f1())