[swift-evolution] [Pitch] Improving capturing semantics of local functions

[Tino Heth]

> the stat suggests that in 90%+ real-life cases [weak self] is used so the "weak func" syntax sugar is worth to consider as an addition to this proposal.
Slightly OT:
Just thought about making all captures weak by default… I know it’s probably to late for such a change, but I wonder if this was considered when closures were designed
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