extern expression should respect page width

[nojaf]

Issue created from fantomas-ui

If the expression doesn't fit on a single line, we should separate the parameters with newlines.

Code

[<DllImport("oleacc.dll")>]
extern int AccessibleChildren(
    IAccessible paccContainer, 
    int iChildStart, 
    int cChildren, 
    [<Out()>] [<MarshalAs(UnmanagedType.LPArray, SizeParamIndex = 4s)>] System.Object [] rgvarChildren,
    int* pcObtained)

Result

[<DllImport("oleacc.dll")>]
extern int AccessibleChildren(IAccessible paccContainer, int iChildStart, int cChildren, [<Out; MarshalAs(UnmanagedType.LPArray,
                                                                                                          SizeParamIndex =
                                                                                                              4s)>] System.Object [] rgvarChildren, int* pcObtained)

Options

Fantomas Next - 3.3.0-3/26/2020

Name	Value
IndentOnTryWith	false
IndentSpaceNum	4
KeepNewlineAfter	false
MaxIfThenElseShortWidth	40
PageWidth	120
ReorderOpenDeclaration	false
SemicolonAtEndOfLine	false
SpaceAfterComma	true
SpaceAfterSemicolon	true
SpaceAroundDelimiter	true
SpaceBeforeClassConstructor	false
SpaceBeforeColon	false
SpaceBeforeLowercaseInvocation	true
SpaceBeforeMember	false
SpaceBeforeParameter	true
SpaceBeforeSemicolon	false
SpaceBeforeUppercaseInvocation	false
StrictMode	false

[nojaf]

This is available in the 5.1 series.