On Friday, November 4, 2016 at 12:50:55 PM UTC-4, Henri Girard wrote: > > I am using julia-6.0 (but any version do it )(what a wonderfull tool) I > can even define a new value to a symbol. > > What I wish it's only getting rid of quotes : '䷂' = ䷂ >
Single quotes define a Char (character) '䷂', double quotes define a String "䷂", and removing quotes corresponds to a variable name ䷂. Because all of these have different meanings, you have to define which one you want. Of course, you can define a constant, like const ䷂ = '䷂' and then ䷂ will mean the character literal '䷂'. Is this what you want? > Apparently onlu julia can do this ? Is it possible to do it with > python/sage ? > Most modern language have at least decent Unicode support, e.g. Python etcetera has no problem defining and working with Unicode strings. However, most languages are more restrictive than Julia in what they allow for variable names. e.g. Python 3 allows Unicode variable names, but doesn't allow ䷂ because Python identifier characters are not allowed to be in category So (Symbol, other). A lot of this is the fault of the Unicode consortium, because Unicode recommended that only an annoyingly restrictive set of characters be allowed in identifiers (http://unicode.org/reports/tr31/). Julia ignores this recommendation because it excludes a lot of useful symbols, especially for mathematics.
