Hmm. Or maybe neither work and the for loop is only hiding the error?
On Saturday, February 15, 2014 1:11:36 PM UTC+2, Johan Sigfrids wrote:
>
> I've been playing with a Degree type in Julia, and have set it up so I can
> use ° to construct Degrees:
>
> module Degrees
>
> export Degree, °
>
> immutable Degree{T<:Number} <:Number
> d::T
> end
>
> immutable DegreeSign end
>
> const ° = DegreeSign()
>
> *(num::Number, s::DegreeSign) = Degree(num)
>
> Base.show(io::IO, d::Degree) = print(io, "$(d.d)°")
>
> end
>
> I can successfully construct a array of Degrees with a for loop like so:
>
> for i in 1:10
> i°
> end
>
> But the same thing doesn't work in a comprehension:
>
> [ i° for i in 1:10]
>
> This leads to a error complaining that `i° not defined`. It sounds to me
> like it is evaluating `i°` before i has a value assigned to it. What's
> going on here?
>
