Andrei Alexandrescu wrote:
Jérôme M. Berger wrote:Andrei Alexandrescu wrote:I think Derek's point was to have *some* syntax to mean this, not necessarily the one he showed (which he showed because I believe that's the "standard" mathematical way to express it for English speakers). For example, we could say that [] is always inclusive and have another character which makes it exclusive like:Derek Parnell wrote:It seems that D would benefit from having a standard syntax format for expressing various range sets; a. Include begin Include end, i.e. [] b. Include begin Exclude end, i.e. [) c. Exclude begin Include end, i.e. (] d. Exclude begin Exclude end, i.e. ()I'm afraid this would majorly mess with pairing of parens.a. Include begin Include end, i.e. [ a .. b ] b. Include begin Exclude end, i.e. [ a .. b ^] c. Exclude begin Include end, i.e. [^ a .. b ] d. Exclude begin Exclude end, i.e. [^ a .. b ^]I think Walter's message really rendered the whole discussion moot. Post of the year:========================= I like: a .. b+1 to mean inclusive range. =========================Consider "+1]" a special symbol that means the range is to be closed to the right :o).
Ah, but:
- This is inconsistent between the left and right limit;
- This only works for integers, not for floating point numbers.
Jerome
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