pub fn as_json<T: Encodable>(t: &T) -> AsJson<T>
Create an AsJson wrapper which can be used to print a value as JSON
on-the-fly via write!
Prefix searches with a type followed by a colon (e.g.
fn:) to restrict the search to a given type.
Accepted types are: fn, mod,
struct, enum,
trait, typedef (or
tdef).
Search functions by type signature (e.g.
vec -> usize)