![]() Add a `#:nothing' argument so the no-value value can be made explicit --- based on discussion with Eli, but pending further review. Also, renamed `#:first' to `#:before-first' and `#:last' to `#:after-last' to be more clear, more parallel ro `#:before-last', and avoid a collision with prominent function names. |
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drracket | ||
gracket | ||
plai | ||
racket | ||
redex | ||
stepper | ||
teachpack | ||
typed-racket | ||
COPYING-libscheme.txt | ||
COPYING.txt |