📝 Add Passing by reference article. (fix #18)

mathieutu · Aug 27, 2019 · a2d6285 · a2d6285
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diff --git a/src/blog/2019/passing-by-reference.md b/src/blog/2019/passing-by-reference.md
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+---
+title: Passing a variable by reference
+lang: en-EN
+date: 2019-06-02 10:17
+tags: [learning, basics]
+hints: [value, immutable, mutable]
+---
+A simple visualisation of concept of passing a variable by reference:
+<image-offline alt="Passing by reference" src="https://www.mathwarehouse.com/programming/images/pass-by-reference-vs-pass-by-value-animation.gif"/>
+
+From a complete explanation of differences with passing by value:
+<url-preview url="https://www.mathwarehouse.com/programming/passing-by-value-vs-by-reference-visual-explanation.php" />
+