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22 lines
476 B
Rust
22 lines
476 B
Rust
use std::cell::Ref;
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use mlua::prelude::*;
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use num::cast::AsPrimitive;
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use super::FfiData;
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#[inline]
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pub fn num_cast<From, Into>(from: &Ref<dyn FfiData>, into: &Ref<dyn FfiData>) -> LuaResult<()>
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where
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From: AsPrimitive<Into>,
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Into: 'static + Copy,
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{
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let from_ptr = unsafe { from.get_inner_pointer().cast::<From>() };
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let into_ptr = unsafe { into.get_inner_pointer().cast::<Into>() };
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unsafe {
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*into_ptr = (*from_ptr).as_();
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}
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Ok(())
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}
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