Type Alias MDBX_hsr_func

pub type MDBX_hsr_func = Option<unsafe extern "C" fn(_: *const MDBX_env, _: *const MDBX_txn, _: i32, _: u64, _: u64, _: u32, _: usize, _: i32) -> i32>;

Available on crate feature mdbx only.

Aliased Type

enum MDBX_hsr_func {
    None,
    Some(unsafe extern "C" fn(_: *const MDBX_env, _: *const MDBX_txn, _: i32, _: u64, _: u64, _: u32, _: usize, _: i32) -> i32),
}

Variants

None

No value.

Some(unsafe extern "C" fn(_: *const MDBX_env, _: *const MDBX_txn, _: i32, _: u64, _: u64, _: u32, _: usize, _: i32) -> i32)

Some value of type T.

Layout

Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...) attributes. Please see the Rust Reference's “Type Layout” chapter for details on type layout guarantees.

Size: 8 bytes

Size for each variant:

• None: 0 bytes
• Some: 8 bytes