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Updated Destructors (rest)

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Andreas Rumpf 2019-06-02 08:17:37 +02:00
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**Note**: This document is succeeded by https://github.com/nim-lang/Nim/wiki/Destructors,-2nd-edition
This page is a follow-up of https://nim-lang.org/araq/destructors.html and further outlines of where Nim is heading in the future. (Did I hear anyone say "Nim v2"?) This page is a follow-up of https://nim-lang.org/araq/destructors.html and further outlines of where Nim is heading in the future. (Did I hear anyone say "Nim v2"?)
Nim's strings and sequences should become "GC-free" implementations and are exemplary for how Nim's core should work. Strings and sequences are value-based that means ``=`` performs a copy (conceptually). In practice many copies can be optimized away (see my blog post). The "optimized" copy is called a "move" and is supported via the type bound operator ``=sink``. Nim's strings and sequences should become "GC-free" implementations and are exemplary for how Nim's core should work. Strings and sequences are value-based that means ``=`` performs a copy (conceptually). In practice many copies can be optimized away (see my blog post). The "optimized" copy is called a "move" and is supported via the type bound operator ``=sink``.