January 2020
Intermediate to advanced
532 pages
13h 31m
English
Content preview from Hands-On Design Patterns and Best Practices with Julia
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Summarizing all options
Let's now summarize all the options that we have considered so far:
| Option | Signature | Passed all tests? |
| 1 | sumprod(A::Vector{Float64}, B::Vector{Float64}) | No |
| 2 | sumprod(A::Vector{Number}, B::Vector{Number}) | No |
| 3 | sumprod(A::Vector{T}, B::Vector{T}) where T <: Number | No |
| 4 | sumprod(A::Vector{S}, B::Vector{T}) where {S <: Number, T <: Number} | No |
| 5 | sumprod(A::Array{S,N}, B::Array{T,N}) where {N, S <: Number, T <: Number} | Yes |
| 6 | sumprod(A::AbstractArray{S,N}, B::AbstractArray{T,N}) where {N, S <: Number, T <: Number} | Yes |
| 7 | sumprod(A, B) | Yes |
Technically speaking, options 5, 6, or 7 could work for all array types. Options 6 and 7 support other array containers, such as sparse matrix. Option 7 works with ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.