第20页 Understanding the Memory Model

1. 
People coming from C or C++, in contrast, tend to regard GC as a decadent luxury and a sign of incompetence among programmers in general
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2. 
When you’re writing single-threaded code, garbage collection is a luxury. It’s nice to have, but it’s not a vital feature
 

3.
Like Java, and unlike C or C++, Go does not explicitly differentiate between stack and heap allocations.