Make number parsers streaming again

Author: djc

imap-proto/src/core.rs

@@ -104,10 +104,10 @@ named!(pub nstring_utf8<Option<&str>>, alt!(
 // number          = 1*DIGIT
 //                    ; Unsigned 32-bit integer
 //                    ; (0 <= n < 4,294,967,296)
-named!(pub number<u32>, flat_map!(nom::character::complete::digit0, parse_to!(u32)));
+named!(pub number<u32>, flat_map!(nom::character::streaming::digit1, parse_to!(u32)));
 
 // same as `number` but 64-bit
-named!(pub number_64<u64>, flat_map!(nom::character::complete::digit0, parse_to!(u64)));
+named!(pub number_64<u64>, flat_map!(nom::character::streaming::digit1, parse_to!(u64)));
 
 // atom = 1*ATOM-CHAR
 named!(pub atom<&str>, map_res!(take_while1!(atom_char),

imap-proto/src/parser/rfc3501.rs

@@ -821,4 +821,12 @@ mod tests {
             Err(_)
         );
     }
+
+    #[test]
+    fn test_incomplete_fetch() {
+        match parse_response(b"* 4644 FETCH (UID ") {
+            Err(nom::Err::Incomplete(_)) => {},
+            rsp => panic!("should be incomplete: {:?}", rsp),
+        }
+    }
 }