In ML, 'let' is for introducing a local scope for an expression while 'local' is for introducing a local scope for declarations.
On Sat, Apr 13, 2019 at 6:20 PM aditya siram <[email protected]> wrote: > Am I right in thinking that the difference between a let/where and local > is that the latter allows sharing scope across multiple declarations > whereas the former only allows one? > > For example if I wanted local bindings for some 'val a' I could do: > > val a = ... where { ... some bindings ... } > > > > or: > > local > ... some bindings ... > in > val a = ... > end > > > > but if I wanted share a local scope between 'val a' and 'val b' I'd have > to do: > > l > ocal > ... > in > val a = ... > val b = ... > end > > > > since there is no way to do that with 'let' or 'where'. > > Is it correct that this is the only difference? > > Thanks! > -deech > > -- > You received this message because you are subscribed to the Google Groups > "ats-lang-users" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > Visit this group at https://groups.google.com/group/ats-lang-users. > To view this discussion on the web visit > https://groups.google.com/d/msgid/ats-lang-users/f0ddb692-7b08-4019-868d-cdf697994bf5%40googlegroups.com > <https://groups.google.com/d/msgid/ats-lang-users/f0ddb692-7b08-4019-868d-cdf697994bf5%40googlegroups.com?utm_medium=email&utm_source=footer> > . > -- You received this message because you are subscribed to the Google Groups "ats-lang-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/ats-lang-users. To view this discussion on the web visit https://groups.google.com/d/msgid/ats-lang-users/CAPPSPLrbEyV7GhFQaF0EX-axw_3OoNZg0gJMaePznizoCZtLuQ%40mail.gmail.com.
