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definition:
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resolve :: Config -> Package -> LookupSet -> ResolutionResult
resolve cfg pkg ls = case resolvedPkgs of
Just pkgs -> ResolutionSuccess pkg (deleteBase pkgs)
Nothing -> ResolutionFailure labeledTree
where
labeledTree = labelConflicts cfg $ candidateTree pkg ls
noConflicts = prune ((/= Nothing) . clConflict) labeledTree
resolvedPkgs = maybeHead . map stPackages . filter stComplete . leaves
. mapTree clState $ noConflicts
deleteBase = filter (\p -> name p /= "base" ||
showVersion (version p) /= compilerBaseVersion cfg)
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demand:
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no demanded arguments
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deterministic:
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deterministic operation
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documentation:
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Resolves the dependencies of a package using packages from a lookup set.
The base package of the current compiler is removed from the result set.
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failfree:
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<FAILING>
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indeterministic:
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referentially transparent operation
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infix:
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no fixity defined
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iotype:
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{(_,_,_) |-> {ResolutionFailure,ResolutionSuccess}}
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name:
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resolve
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precedence:
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no precedence defined
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result-values:
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{ResolutionFailure,ResolutionSuccess}
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signature:
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CPM.Config.Config -> CPM.Package.Package -> CPM.LookupSet.LookupSet
-> ResolutionResult
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solution-complete:
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operation might suspend on free variables
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terminating:
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possibly non-terminating
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totally-defined:
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possibly non-reducible on same data term
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