Function untrusted::read_all_optional
[−]
[src]
pub fn read_all_optional<'a, F, R, E>(input: Option<Input<'a>>, incomplete_read: E, read: F) -> Result<R, E> where F: FnOnce(Option<&mut Reader>) -> Result<R, E>
Calls read
with the given input as a Reader
, ensuring that read
consumed the entire input. When input
is None
, read
will be
called with None
.