Type Alias xmlRelaxNGValidityWarningFunc 

pub type xmlRelaxNGValidityWarningFunc = Option<unsafe extern "C" fn(ctx: *mut c_void, msg: *const c_char, ...)>;

Signature of a warning callback from a Relax-NG validation

@param ctx the validation context @param msg the message @param … extra arguments

Aliased Type

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

Variants

None

No value.

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

Some value of type T.