Peter Simons <[EMAIL PROTECTED]> writes:
> > setFoo :: State -> [Int] -> State
> > setFoo st x = State { foo = x
> > , bar = bar st
> > }
There is an easier way to do this, using the record update syntax
rather than record construction syntax. e.g.
setFoo st x = st { foo = x }
All the unmentioned fields retain their previous values from the
'st' structure.
Regards,
Malcolm
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