I tried this too, to override the method for Array{CIGAR, 1} but it still
does not work:
function Base.show(io::IO, cigarstr::Array{CIGAR, 1})
write(io, convert(String, cigarstr))
end
On Tuesday, August 11, 2015 at 9:22:09 AM UTC+1, Mauro wrote:
>
> I think you cannot create a show method for a typealias as it is
> indistinguishable from the type it aliases.
>
> On Mon, 2015-08-10 at 19:07, Ben Ward <axolotl...@gmail.com <javascript:>>
> wrote:
> > Hi, I have implemented a basic immutable type with a type alias for a
> vector of
> > said type:
> >
> > immutable CIGAR
> > OP::Operation
> > Size::Int
> > end
> >
> >
> > function CIGAR(op::Char, size::Int)
> > return CIGAR(Operation(op), size)
> > end
> >
> >
> > function convert(::Type{String}, cigar::CIGAR)
> > return "$(cigar.Size)$(Char(cigar.OP))"
> > end
> >
> >
> > function show(io::IO, cigar::CIGAR)
> > write(io, convert(String, cigar))
> > end
> >
> >
> > typealias CIGARString Vector{CIGAR}
> >
> >
> > function convert(::Type{CIGARString}, str::String)
> > matches = matchall(r"(\d+)(\w)", str)
> > cigarString = Vector{CIGAR}(length(matches))
> > @inbounds for i in 1:length(matches)
> > m = matches[i]
> > cigarString[i] = CIGAR(m[end], parse(Int, m[1:end-1]))
> > end
> > return cigarString
> > end
> >
> >
> > macro cigar_str(str)
> > return CIGARString(str)
> > end
> >
> > I also want to define a show method for the alias CIGARString, so as it
> is
> > converted to a string that can be used with a show method:
> >
> > function convert(::Type{String}, cigarString::CIGARString)
> > outString = ""
> > for cigar in cigarString
> > outString *= String(cigar)
> > end
> > return outString
> > end
> >
> >
> > function show(io::IO, cigarstr::CIGARString)
> > write(io, convert(String, cigarstr))
> > end
> >
> > However the output a see on the REPL is:
> >
> >
> > 3-element Array{Bio.Align.CIGAR,1}:
> >
> >
> > 5M
> >
> >
> > 5N
> >
> >
> > 5M
> >
> >
> > So, rather than the show method for CIGARString being called, the show
> method
> > for CIGAR is being called repeatedly for every element in the
> CIGARString
> > vector. How do I get Julia to use the show method I want for
> CIGARString?
> >
> > Thanks.
>
>
