reth_db::mdbx::ffi

Type Alias MDBX_debug_func

source 
pub type MDBX_debug_func = Option<unsafe extern "C" fn(_: i32, _: *const i8, _: i32, _: *const i8, _: *mut __va_list_tag)>;
Available on crate feature mdbx only.

Aliased Type§

enum MDBX_debug_func {
    None,
    Some(unsafe extern "C" fn(_: i32, _: *const i8, _: i32, _: *const i8, _: *mut __va_list_tag)),
}

Variants§

§1.0.0

None

No value.

§1.0.0

Some(unsafe extern "C" fn(_: i32, _: *const i8, _: i32, _: *const i8, _: *mut __va_list_tag))

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