In every single language using infix notation (except MUMPS) that I'm
familiar with 2 + 3 * 4 = 16, and it is a longstanding convention in
mathematics that 2 + 3 * 4 is 2 + (3 * 4) not (2 + 3) * 4.
It's not that I can't live with strict left to right evaluation, it's
just that it's annoying...really annoying. It's as if someone decided
that they would violate a well established convention just for
<insert
your favorite expletive> of it.
--- Cameron Schlehuber <[EMAIL PROTECTED]> wrote:
> Greg, follow these instructions:
>
> First, add 3 to 2.
> Next, multiply your result times 4.
> What is your answer?
>
> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED] On Behalf Of
> Greg
> Woodhouse
> Sent: Tuesday, August 16, 2005 1:51 PM
> To: hardhats-members@lists.sourceforge.net
> Subject: Re: [Hardhats-members] MUMPS features
>
> Hmm...I hesitate to do this, for fear of forgetting something, but
my
> MUMPS "greatest hits" list, includes at least
>
> 1. Global arrays
> 2. Hierarchical arrays in general, and especially the ability to
> store
> values at non-leaf nodes.
> 3. An integrated JOB command and the $J special variable
> 4. Patterns
> 5. The MERGE command
> 6. Built in string handling functions
> 7. Incremental locks (but see below)
> 8. Indirection and the XECUTE command (again with some caveats)
> 9. Simplicity
>
> By contrast, my "biggest gripes" list includes
>
> 1. Default global scope for variables
> 2. No static scoping
> 3. No interprocess communication or asynchronous signaling
> 4. Weak support for I/O
> 5. I'm sorry, but 2 + 3 * 4 is NOT 20
> 6. Unintuitive (and not clearly useful) semantics for reference
> parameters
> 7. Incremental locks don't block (like semaphores)
> 8. No distinction between read and write locks
> 9. No support for namespaces or packages
> 10. No flexibility with regard to character sets
>
>
> --- Chris Richardson <[EMAIL PROTECTED]> wrote:
>
> > I don't have much easy association with baseball, but;
> >
> > 1) the polymorphic Data Representation (for SET X="12 Cats");
> > A) a string, WRITE X
> > B) an expression, WRITE X+"15 Dogs"
> > C) a Truth Value, IF X WRITE "True"
> > D) has properties, WRITE
> > %DATA(X)_":"_$LENGTH(X)_":"_$LENGTH(X," ")
> > (and a lot more)
> > E) has substrings, WRITE $PIECE(X," ",2)
> > F) extensible, SET X=X_" and kittens"
> > G) malible, FOR I=$LENGTH(X):-1:1 WRITE $EXTRACT(X,I)
> > H thru ZZZ) Lots more
> > 2) data clustering, for the data created by FOR I=1:1:10 SET
> > X($R(100))=I
> > A) Evaluated, WRITE $DATA(X)
> > B) Walked, SET Y="" FOR S J=$ORDER(X($G(J)) QUIT:J=""
WRITE
> > X(J)_":"_J,!
> > C) Copied, MERGE Z=X
> > D) Trimmed, SET J=$ORDER(X("")) KILL:J X(J)
> > E) Killed, KILL X
> >
> > More later.
> >
> > ----- Original Message -----
> > From: "Gregory Woodhouse" <[EMAIL PROTECTED]>
> > To: <hardhats-members@lists.sourceforge.net>
> > Sent: Tuesday, August 16, 2005 7:09 AM
> > Subject: [Hardhats-members] MUMPS features
> >
> >
> > > I've been thinking about the use of strings as a uniform data
> > > representation in MUMPS and, to draw an analogy with baseball,
it
> > is
> > > easy to come up with a hit (such as the ability to use the same
> > > idioms, e.g., $G(X)="" for different kinds of data), or a
double
> > > (such as being able to intermix numbers and strings as
subscripts
> > to
> > > the same array), but I can't think of a real home run.
Thoughts?
> > >
> > > ===
> > > Gregory Woodhouse
> > > [EMAIL PROTECTED]
> > >
> > > "Perfection is achieved, not when there is nothing more to add,
> but
> > > when there is nothing left to take away."
> > > -- Antoine de Saint-Exupery
> > >
> > >
> > >
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>
>
> ===
> Gregory Woodhouse <[EMAIL PROTECTED]>
>
> "Design quality doesn't ensure success, but design failure can
ensure
> failure."
>
> --Kent Beck
>
>
>
>
>
>
>
>
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===
Gregory Woodhouse <[EMAIL PROTECTED]>
"Design quality doesn't ensure success, but design failure can ensure
failure."
--Kent Beck
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