Type Alias CPLSetConfigOptionSubscriber 

pub type CPLSetConfigOptionSubscriber = Option<unsafe extern "C" fn(pszKey: *const c_char, pszValue: *const c_char, bThreadLocal: bool, pUserData: *mut c_void)>;

Aliased Type

pub enum CPLSetConfigOptionSubscriber {
    None,
    Some(unsafe extern "C" fn(*const i8, *const i8, bool, *mut c_void)),
}

Variants

None

No value.

Some(unsafe extern "C" fn(*const i8, *const i8, bool, *mut c_void))

Some value of type T.