Type Alias xmlXPathFuncLookupFunc 

pub type xmlXPathFuncLookupFunc = Option<unsafe extern "C" fn(ctxt: *mut c_void, name: *const xmlChar, ns_uri: *const xmlChar) -> xmlXPathFunction>;

Aliased Type

pub enum xmlXPathFuncLookupFunc {
    None,
    Some(unsafe extern "C" fn(*mut c_void, *const u8, *const u8) -> Option<unsafe extern "C" fn(*mut _xmlXPathParserContext, i32)>),
}

Variants

None

No value.

Some(unsafe extern "C" fn(*mut c_void, *const u8, *const u8) -> Option<unsafe extern "C" fn(*mut _xmlXPathParserContext, i32)>)

Some value of type T.