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Aliases to storage, ref returns, ref readonly, managed pointers, in-place updates
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ref Locals and ref Returns

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Senior9 min read
Rapid overview

ref Locals and ref Returns

TL;DR

A ref local (ref int x = ref array[0];) is not a new variable holding a value: it is an alias, a managed pointer to existing storage such as an array element, a field or another variable. Reading or writing x reads or writes that storage di…

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Q: What is a ref local?

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