Make DrawBuilder non-consuming
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By taking `&mut self` instead of `mut self`, the user will be able to chain calls [more ergonomically](https://github.com/brson/rust-api-guidelines#the-benefit). This pattern is recommended by the [Rust API guidelines]. (https://github.com/brson/rust-api-guidelines#non-consuming-builders-preferred)
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I think the reason why I didn't do this the first time was the impact to the user-facing API. It has a bit more overhead to consume the data, but that's initialization work not real-time work. Is there a way to do this without making the draw building API more verbose? I think I'd be OK with a small perf hit for some better developer ergonomics. |
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By taking
&mut selfinstead ofmut self, the user will be able to chain callsmore ergonomically.
This pattern is recommended by the Rust API guidelines.