Re: [Gretl-devel] increment and decrement operators

On 12/19/2012 11:55 PM, Allin Cottrell wrote: > Hello all + season's greetings > > Up till now gretl has supported only very limited usage of the > increment (++) and deccrement (--) operators. The only acceptable > usage has been in stand-alone expressions (e.g.) > > j++ # shorthand for j = j + 1 > j-- # shorthand for j = j - 1 > > for "j" the name of a user-defined scalar variable. > > As of today's CVS I'm experimenting with fuller support for > something that is really quite handy in C and similar languages, > namely the ability to embed constructs such as "j++" and "j--" in > more or less arbitrary contexts. For example: > > k = j++ # k = current value of j; then increment j > m[j++] = x # assign x to element j of m; increment j > x = foo(j--) # evaluate foo(j); decrement j > Hi Allin, I guess it's hard to argue against new features, but for non-C people like me I must say that the above example are a little counter-intuitive. What I mean is the ordering of operations. For my eyes the innermost operation would be the in-/decrementing that comes first, then the function call / assignment. So I'm not sure I like the C idioms taking over hansl... Just my 2c,