my ideas for array operations

[Gregor Richards]

Bill Baxter wrote:
> dennis luehring wrote:
>> i have some ideas for array operation
>> hope they are "context free" and don't break any syntactic rules :-}
>>
>> OP ==> + - / ~ * and all the others
>>
>> #1 operator between (operator concatenated) array elements:
>>
>> syntax: array ~OP
>>
>> result-type: value-type of array
>>
>> examples:
>>
>> [1,2,3] ~+ ==> 1+2+3 = 6
>>
>> [1,3,4] ~* ==> 1*3*4 = 12
>>
>> ["a","b","c"] ~~ ==> "abc"
>>
>> #2 operator and "value" on each array element
>>
>> syntax: array @OP value
>>
>> value: array.value/applicable-type/function
>>
>> result-type: typeof(array)
>>
>> [1,2,3] @+ 10 ==> [1+10,2+10,3+10] = [11,12,13]
>>
>> (maybe .+)
>>
>> #3 operator between 2 arrays
>>
>> syntax: array1 OP array2
>>
>> result-type: typeof(array1)
>>
>> precondition:
>>   array1.value/applicable-type == array2.value/applicable-type
>>   array1.dimension == array2.dimension
>>
>> [a,b,c] + [d,e,f] ==> [a+d,b+e,c+f]
>>
>> usage:
>>
>> double v1[3] = [1,2,3]
>> double v2[3] = [3,4,5]
>>
>> double norm = sqrt( ( v1 * v1 ) ~+ );
>> double dot_prod = ( v1 * v2 ) ~+ );
>> double mid = ( v1 ~+ ) / v1.length;
>>
> 
> -1
> 
> Write some templates that use the existing operators.
> 
> --bb

Agreed. Votes--. Pointless.

Besides, operators should avoid being O(n).

  - Gregor Richards