Type Alias pgrx_pg_sys::validate_string_relopt

pub type validate_string_relopt = Option<unsafe extern "C" fn(value: *const c_char)>;

Aliased Type

enum validate_string_relopt {
    None,
    Some(unsafe extern "C" fn(_: *const i8)),
}

Variants

None

No value.

Some(unsafe extern "C" fn(_: *const i8))

Some value of type T.