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##### Auxiliary Generators

See here for more information about Auxiliary Generators.

Expression | Attribute | Description
--- | --- | ---
`attr_cast<Exposed>(a)` | `Exposed` | Invoke `a` while supplying an attribute of type `Exposed`.
`eol` | `Unused` | Generate the end of line (`\n`)
`eps` | `Unused` | Generate an empty string
`eps(b)` | `Unused` | If `b` is true, generate an empty string
`lazy(fg)` | Attribute of `G` where `G` is the return type of `fg` | Invoke `fg` at generation time, returning a generator `g` which is then called to generate.
`fg` | see `lazy(fg)` above | Equivalent to `lazy(fg)`