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use crate::{checkpoint::Checkpoint, handle::Handle, Error}; use ffi; pub trait CreateCheckpointObject { unsafe fn create_checkpoint_object_raw(&self) -> Result<*mut ffi::rocksdb_checkpoint_t, Error>; fn create_checkpoint_object(&self) -> Result<Checkpoint, Error> { let checkpoint: *mut ffi::rocksdb_checkpoint_t; unsafe { checkpoint = self.create_checkpoint_object_raw()? }; if checkpoint.is_null() { return Err(Error::new("Could not create checkpoint object.".to_owned())); } Ok(Checkpoint { inner: checkpoint }) } } impl<T> CreateCheckpointObject for T where T: Handle<ffi::rocksdb_t>, { unsafe fn create_checkpoint_object_raw(&self) -> Result<*mut ffi::rocksdb_checkpoint_t, Error> { Ok(ffi_try!(ffi::rocksdb_checkpoint_object_create( self.handle(), ))) } }