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Em 06/06/2015 18:36, "Soni L." <fakedme@gmail.com> escreveu:
>
>
>
> On 06/06/15 06:33 PM, Rodrigo Azevedo wrote:
>>
>> 3.4.10 – Function Calls
>>
>> The form
>>
>> functioncall ::= prefixexp ‘:’ Name args
>>
>> Arguments have the following syntax:
>>
>> args ::= ‘(’ [explist] ‘)’
>> args ::= tableconstructor
>> args ::= LiteralString
>>
>> can be used to call "methods". A call v:name(args) is syntactic sugar for v.name(v,args), except that v is evaluated only once.
>>
>> -------------------
>>
>> Let v be a usardata with a unary method, then
>>
>> v:abs() is a syntatic sugar for v.abs(v)
>> v:reduce() is a syntatic sugar for v.reduce(v)
>>
>> etc
>>
>> This notation is very unpleasant. There is a problem if this behaviour of function calls
>>
>> v:abs is a syntativ sugar for v.abs(v)
>> v:reduce is a syntatic sugar for v.reduce(v)
>>
>> was valid?
>
>
> Does v:abs() mean "call v.abs with v" or "call the result of calling v.abs with v"?

As already implemented,  corresponding to call v.abs with v.

>
>>
>> If not, I really appreciate this new flavor.
>>
>> --
>> Rodrigo Azevedo Moreira da Silva
>
>
> --
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