This is more elegant Julian way that I tried to find, thanks!
Kaj On Monday, March 9, 2015 at 1:43:14 PM UTC+2, Simon Danisch wrote: > > Hi, > I'm working on FixedSizeArrays, which does pretty much what you have tried > here. > Simplified version from constructors.jl > <https://github.com/SimonDanisch/FixedSizeArrays.jl/blob/master/src/constructors.jl> > : > macro gentype(N, typename) > fields = [:($(symbol("I_$i"))::T) for i=1:N] > quote > immutable $(typename){T} > $(fields...) > end > end > end > > > Am Donnerstag, 5. März 2015 11:02:51 UTC+1 schrieb Kaj Wiik: >> >> I have been trying to write a macro that would generate fields in a >> for-loop. >> >> However, when I try to generate the first line I get an error: >> >> julia> macro deftype(name,artype,num) >> ex1 = :(esc( immutable $name)) >> ERROR: syntax: unexpected ")" >> >> julia> macro deftype(name,artype,num) >> ex1 = :(esc(quote immutable $name end)) >> ERROR: syntax: extra token ")" after end of expression >> >> >> There must be a way to do this, I cannot find how... >> >> Thanks, >> Kaj >> >>
