Would that work? The variable to be printed isn't fed in as the second
option?
On Wednesday, August 12, 2015 at 1:34:16 AM UTC+1, colint...@gmail.com
wrote:
>
> Does the following work?
>
> function Base.show(io::IO, ::Type{CIGARString})
> #your code here
> end
>
>
>
> On Tuesday, 11 August 2015 03:07:15 UTC+10, Ben Ward 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.
>>
>
