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WoofWare.Myriad/WoofWare.Myriad.Plugins/SynExpr/SynPat.fs
2024-05-31 19:20:28 +01:00

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namespace WoofWare.Myriad.Plugins
open Fantomas.FCS.Syntax
open Fantomas.FCS.Text.Range
[<RequireQualifiedAccess>]
module internal SynPat =
let inline annotateType (ty : SynType) (pat : SynPat) =
SynPat.Paren (SynPat.Typed (pat, ty, range0), range0)
let inline named (s : string) : SynPat =
SynPat.Named (SynIdent.SynIdent (Ident (s, range0), None), false, None, range0)
let inline namedI (i : Ident) : SynPat =
SynPat.Named (SynIdent.SynIdent (i, None), false, None, range0)
let inline identWithArgs (i : LongIdent) (args : SynArgPats) : SynPat =
SynPat.LongIdent (SynLongIdent.create i, None, None, args, None, range0)
let inline tupleNoParen (elements : SynPat list) : SynPat =
match elements with
| [] -> failwith "Can't tuple no elements in a pattern"
| [ p ] -> p
| elements -> SynPat.Tuple (false, elements, List.replicate (elements.Length - 1) range0, range0)
let inline paren (pat : SynPat) : SynPat = SynPat.Paren (pat, range0)
let inline tuple (elements : SynPat list) : SynPat = tupleNoParen elements |> paren
let unit = SynPat.Const (SynConst.Unit, range0)
let createNull = SynPat.Null range0