zng-wgt-stack 0.4.3

Part of the zng project.
Documentation 
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This crate is part of the [`zng`](https://github.com/zng-ui/zng?tab=readme-ov-file#crates) project.


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## Cargo Features

This crate provides 2 feature flags, 1 enabled by default.

#### `"debug_default"`
Enables the `"dyn_closure"` in debug builds.

*Enabled by default.*

#### `"dyn_closure"`
Box closures at opportune places, such as `Var::map`, reducing the number of monomorphised types.

This speeds-up compilation time at the cost of runtime.

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