Add a method to LimitReader to return the limit #12299
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r=me with a test added |
This is useful in contexts like this: let size = rdr.read_be_i32() as uint; let mut limit = LimitReader::new(rdr.by_ref(), size); let thing = read_a_thing(&mut limit); assert!(limit.limit() == 0);
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This is useful in contexts like this: ```rust let size = rdr.read_be_i32() as uint; let mut limit = LimitReader::new(rdr.by_ref(), size); let thing = read_a_thing(&mut limit); assert!(limit.limit() == 0); ```
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This is useful in contexts like this: