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Merge #15922: doc: Explain how to pass in non-fundamental types into functions

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faede747b3 doc: Explain how to pass in non-fundamental types into functions (MarcoFalke)

Pull request description:

  There is a common misconception in C++ that one ampersand is better than no ampersand and two ampersands are better than one.

ACKs for commit faede7:
  practicalswift:
    ACK faede747b3493544f25d601b8e02c833e54c8751
  jonasschnelli:
    ACK faede747b3493544f25d601b8e02c833e54c8751

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MarcoFalke 2019-05-17 11:27:20 -04:00 committed by Pasta
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commit 1c7188fab1
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doc/developer-notes.md
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@ -497,6 +497,14 @@ Wallet
General C++
-------------
For general C++ guidelines, you may refer to the [C++ Core
Guidelines](https://isocpp.github.io/CppCoreGuidelines/).
Common misconceptions are clarified in those sections:
- Passing (non-)fundamental types in the [C++ Core
Guideline](https://isocpp.github.io/CppCoreGuidelines/CppCoreGuidelines#Rf-conventional)
- Assertions should not have side-effects
- *Rationale*: Even though the source code is set to refuse to compile