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deprecate conversion of Array{T1} to Ptr{T2} if T1 != T2 && T2 != None #6079

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merged 1 commit into from
Mar 8, 2014
Merged

deprecate conversion of Array{T1} to Ptr{T2} if T1 != T2 && T2 != None #6079

merged 1 commit into from
Mar 8, 2014

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stevengj
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@stevengj stevengj commented Mar 7, 2014

Fixes #6073.

@ivarne
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ivarne commented Mar 7, 2014

What is the difference between Ptr{Void} and Ptr{None}?

They seem to be equivalent and Void prints as None and Void == None.

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stevengj commented Mar 7, 2014

Void === None; this is just a synonym to make ccall look a bit more natural (Void return types, Ptr{Void} for void*, etcetera).

JeffBezanson added a commit that referenced this pull request Mar 8, 2014
@JeffBezanson
Merge pull request #6079 from stevengj/pointerpurity
e7c2f99 
deprecate conversion of Array{T1} to Ptr{T2} if T1 != T2 && T2 != None
@JeffBezanson JeffBezanson merged commit e7c2f99 into JuliaLang:master Mar 8, 2014
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Successfully merging this pull request may close these issues.

convert(::Type{Ptr{T1}}, x::Array{T2}) should fail if T1 != T2
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@stevengj @ivarne @JeffBezanson