[fpc-pascal] Variable Initialization Questions

[Mazola Winstrol]

Hello List,

After googled and searching in the documentation,

http://free-pascal-general.1045716.n5.nabble.com/does-Advanced-Record-constructor-automatically-zero-all-the-memory-space-of-that-record-td5716755.html
http://www.freepascal.org/docs-html/ref/refse23.html

i still have doubts about variable initialization:

1 - Does the compiler automatically initialize all class fields when a new
instance is created?
2 - Does the compiler initialize record fields?
3 - When i declare a pointer as a global variable or as a member of a
record, can i assume that its initial value is nil?
4 - Is there any compiler switch regarding initialization of variables?

Best regards
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