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definition:
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ppCRule :: Options -> QName -> CRule -> Doc
ppCRule opts qn rule@(CRule ps rhs) =
(nest' opts $ sep [ ppCPattern opts (CPComb qn ps) {- exploit similarity
between left hand side
of rule and constructor
pattern -}
<+> (case rhs of
CSimpleRhs _ _ -> equals
CGuardedRhs _ _ -> empty )
, ppFuncRhs rhsOpts rhs ] )
$$ if null lDecls
then empty
else indent' opts $ ppWhereDecl whereOpts lDecls
where lDecls = ldeclsOfRule rule
whereOpts = addVarsToOpts (concatMap varsOfPat ps) opts
rhsOpts = last $ optsWithIncreasingNamespaces
varsOfLDecl
funcNamesOfLDecl
lDecls
whereOpts
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demand:
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argument 3
|
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deterministic:
|
deterministic operation
|
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documentation:
|
--- Pretty-print a rule of a function. Given a function
--- `f x y = x * y`, then `x y = x * y` is a rule consisting of `x y` as list of
--- patterns and `x * y` as right hand side.
|
|
failfree:
|
<FAILING>
|
|
indeterministic:
|
referentially transparent operation
|
|
infix:
|
no fixity defined
|
|
iotype:
|
{(_,_,{CRule}) |-> _}
|
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name:
|
ppCRule
|
|
precedence:
|
no precedence defined
|
|
result-values:
|
_
|
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signature:
|
Options -> (String, String) -> AbstractCurry.Types.CRule -> Text.PrettyImpl.Doc
|
|
solution-complete:
|
operation might suspend on free variables
|
|
terminating:
|
possibly non-terminating
|
|
totally-defined:
|
possibly non-reducible on same data term
|