A repl that adds bindings to a single namespace as they are defined
minor oopsies
move shadow checks to resolve-names
repl tests in makefile, and shadow test for repl
make sure repls restart, and empty-toplevel-block bug in ast-util
some docs before we forget what all of this is for
these are part of the language now, not just for testing
move again
porting CT REPL to Pyret; lots of cruft but basic functionality is going
forgotten file
hours of labor
Merge branch 'repl' into for-bootstrap