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ERROR: convert has no method matching convert(::Type{VarNode}, ::Type{VarNode}) #13033

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outlace opened this issue Sep 9, 2015 · 1 comment
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ERROR: convert has no method matching convert(::Type{VarNode}, ::Type{VarNode}) #13033

outlace opened this issue Sep 9, 2015 · 1 comment
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docs This change adds or pertains to documentation error handling Handling of exceptions by Julia or the user

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@outlace
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outlace commented Sep 9, 2015

I got this error
ERROR: convert has no method matching convert(::Type{VarNode}, ::Type{VarNode})

When I tried to assign a variable of type VarNode to the type VarNode itself.
e.g.
some_var::VarNode
some_var = VarNode
of course I meant to assign some_var to an initialized instance of VarNode
(VarNode is just some complex type I wrote myself). Obviously the problem is I tried to assign a variable to a type, but the error you get is not informative at all.
@stevengj stevengj added the error handling Handling of exceptions by Julia or the user label Sep 9, 2015
@vtjnash vtjnash added the docs This change adds or pertains to documentation label Sep 9, 2015
@kshyatt
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kshyatt commented Nov 25, 2015

Anyone want to try making this error more informative?

timholy added a commit that referenced this issue Nov 25, 2015
@timholy
Clarify error messages for convert (fixes #13033)
6c6bd80
@timholy timholy mentioned this issue Nov 25, 2015
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@timholy timholy closed this as completed in 9227c05 Dec 8, 2015
jakebolewski added a commit that referenced this issue Dec 8, 2015
@jakebolewski
Merge pull request #14132 from JuliaLang/teh/methoderror_convert
73342cd 
Clarify error messages for `convert` (fixes #13033)
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@vtjnash @kshyatt @stevengj @outlace