Type Alias pgrx_pg_sys::GucBoolCheckHook

source ·
pub type GucBoolCheckHook = Option<unsafe extern "C" fn(newval: *mut bool, extra: *mut *mut c_void, source: GucSource) -> bool>;

Aliased Type§

enum GucBoolCheckHook {
    None,
    Some(unsafe extern "C" fn(_: *mut bool, _: *mut *mut c_void, _: u32) -> bool),
}

Variants§

§1.0.0

None

No value.

§1.0.0

Some(unsafe extern "C" fn(_: *mut bool, _: *mut *mut c_void, _: u32) -> bool)

Some value of type T.