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mod from_bytes {    use crate::borrowed::fixture_bytes;    use git_object::{        borrowed,        borrowed::{tree::Entry, Tree},        bstr::ByteSlice,        TreeMode,    };    use hex::FromHex;     pub fn hex_to_oid(hex: &str) -> [u8; 20] {        <[u8; 20]>::from_hex(hex).unwrap()    }     pub fn as_id(id: &[u8; 20]) -> borrowed::Id {        id.into()    }     #[test]    fn everything() {        assert_eq!(            Tree::from_bytes(&fixture_bytes("tree", "everything.tree")).unwrap(),            Tree {                entries: vec![                    Entry {                        mode: TreeMode::BlobExecutable,                        filename: b"exe".as_bstr(),                        oid: as_id(&hex_to_oid("e69de29bb2d1d6434b8b29ae775ad8c2e48c5391"))                    },                    Entry {                        mode: TreeMode::Blob,                        filename: b"file".as_bstr(),                        oid: as_id(&hex_to_oid("e69de29bb2d1d6434b8b29ae775ad8c2e48c5391"))                    },                    Entry {                        mode: TreeMode::Commit,                        filename: b"grit-submodule".as_bstr(),                        oid: as_id(&hex_to_oid("b2d1b5d684bdfda5f922b466cc13d4ce2d635cf8"))                    },                    Entry {                        mode: TreeMode::Tree,                        filename: b"subdir".as_bstr(),                        oid: as_id(&hex_to_oid("4d5fcadc293a348e88f777dc0920f11e7d71441c"))                    },                    Entry {                        mode: TreeMode::Link,                        filename: b"symlink".as_bstr(),                        oid: as_id(&hex_to_oid("1a010b1c0f081b2e8901d55307a15c29ff30af0e"))                    }                ]            }        );    }     #[test]    fn maybe_special() {        assert_eq!(            Tree::from_bytes(&fixture_bytes("tree", "maybe-special.tree"))                .unwrap()                .entries                .len(),            160        );    }     #[test]    fn definitely_special() {        assert_eq!(            Tree::from_bytes(&fixture_bytes("tree", "definitely-special.tree"))                .unwrap()                .entries                .len(),            19        );    }}