[julia-users] Re: adding new method for $ is not allowed, while adding for + is fine
$ is also used for interpolation, so it must be disambiguated between the two cases. & is similar, if I remember correctly. On Wednesday, October 7, 2015 at 3:09:08 PM UTC-4, cheng wang wrote: > > Thanks. Still, why + and $ are different in this case ? > > On Wednesday, October 7, 2015 at 9:05:10 PM UTC+2, Seth wrote: >> >> Surround it by parens: >> >> julia> ($)(x::Int, y::Int) = x+y+5 >> ... >> julia> ($)(5,7) >> 17 >> >> On Wednesday, October 7, 2015 at 11:39:03 AM UTC-7, cheng wang wrote: >>> >>> Hello everyone, >>> >>> I try to do $(x,y)=something, it says: syntax: invalid assignment >>> location >>> while +(x,y)=something is ok. >>> >>> Is there any speciality of $ operator? >>> >>> Best, >>> Cheng >>> >>
[julia-users] Re: adding new method for $ is not allowed, while adding for + is fine
Thanks. Still, why + and $ are different in this case ? On Wednesday, October 7, 2015 at 9:05:10 PM UTC+2, Seth wrote: > > Surround it by parens: > > julia> ($)(x::Int, y::Int) = x+y+5 > ... > julia> ($)(5,7) > 17 > > On Wednesday, October 7, 2015 at 11:39:03 AM UTC-7, cheng wang wrote: >> >> Hello everyone, >> >> I try to do $(x,y)=something, it says: syntax: invalid assignment >> location >> while +(x,y)=something is ok. >> >> Is there any speciality of $ operator? >> >> Best, >> Cheng >> >
[julia-users] Re: adding new method for $ is not allowed, while adding for + is fine
Oops, hit post too quickly. Can also be called infix: julia> 5 $ 7 17 On Wednesday, October 7, 2015 at 12:05:10 PM UTC-7, Seth wrote: > > Surround it by parens: > > julia> ($)(x::Int, y::Int) = x+y+5 > ... > julia> ($)(5,7) > 17 > > On Wednesday, October 7, 2015 at 11:39:03 AM UTC-7, cheng wang wrote: >> >> Hello everyone, >> >> I try to do $(x,y)=something, it says: syntax: invalid assignment >> location >> while +(x,y)=something is ok. >> >> Is there any speciality of $ operator? >> >> Best, >> Cheng >> >
[julia-users] Re: adding new method for $ is not allowed, while adding for + is fine
Surround it by parens: julia> ($)(x::Int, y::Int) = x+y+5 ... julia> ($)(5,7) 17 On Wednesday, October 7, 2015 at 11:39:03 AM UTC-7, cheng wang wrote: > > Hello everyone, > > I try to do $(x,y)=something, it says: syntax: invalid assignment location > while +(x,y)=something is ok. > > Is there any speciality of $ operator? > > Best, > Cheng >
