INNER CODE UNIT · Rust

as_slice_mut

RustAudio/cpal · src/lib.rs:656

    pub fn as_slice_mut<T>(&mut self) -> Option<&mut [T]>
    where
        T: SizedSample,
    {
        if T::FORMAT == self.sample_format {
            // The safety of this block relies on correct construction of the `Data` instance. See
            // the unsafe `from_parts` constructor for these requirements.
            unsafe {
                Some(std::slice::from_raw_parts_mut(
                    self.data as *mut T,
                    self.len,
                ))
            }
        } else {
            None
        }
    }
}

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