[project @ 2001-02-26 15:06:57 by simonmar]
Implement do-style bindings on the GHCi command line. The syntax for a command-line is exactly that of a do statement, with the following meanings: - `pat <- expr' performs expr, and binds each of the variables in pat. - `let pat = expr; ...' binds each of the variables in pat, doesn't do any evaluation - `expr' behaves as `it <- expr' if expr is IO-typed, or `let it = expr' followed by `print it' otherwise.
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