Type Alias GxB_select_function 

pub type GxB_select_function = Option<unsafe extern "C" fn(i: GrB_Index, j: GrB_Index, x: *const c_void, thunk: *const c_void) -> bool>;

Aliased Type

pub enum GxB_select_function {
    None,
    Some(unsafe extern "C" fn(u64, u64, *const c_void, *const c_void) -> bool),
}

Variants

None

No value.

Some(unsafe extern "C" fn(u64, u64, *const c_void, *const c_void) -> bool)

Some value of type T.