wip

Author: DedSec256

src/Compiler/Checking/Expressions/CheckComputationExpressions.fs

@@ -853,7 +853,7 @@ let (|OptionalSequential|) e =
     | SynExpr.Sequential(debugPoint = _sp; isTrueSeq = true; expr1 = dataComp1; expr2 = dataComp2) -> (dataComp1, Some dataComp2)
     | _ -> (e, None)
 
-let private getTypedHeadPattern (SynBinding(headPat = headPattern; returnInfo = returnInfo)) =
+let private mkTypedHeadPat (SynBinding(headPat = headPattern; returnInfo = returnInfo)) =
     match returnInfo with
     | None -> headPattern
     | Some(SynBindingReturnInfo(typeName = typeName; range = range)) ->
@@ -871,7 +871,7 @@ let (|ExprAsUseBang|_|) expr =
         trivia = { LetOrUseKeyword = mBind }) ->
         match bindings with
         | SynBinding(debugPoint = spBind; expr = rhsExpr) as binding :: andBangs ->
-            let pat = getTypedHeadPattern binding
+            let pat = mkTypedHeadPat binding
             ValueSome(spBind, isFromSource, pat, rhsExpr, andBangs, innerComp, mBind)
         | _ -> ValueNone
     | _ -> ValueNone
@@ -888,7 +888,7 @@ let (|ExprAsLetBang|_|) expr =
         trivia = { LetOrUseKeyword = mBind }) ->
         match bindings with
         | SynBinding(debugPoint = spBind; expr = letRhsExpr) as binding :: andBangBindings ->
-            let letPat = getTypedHeadPattern binding
+            let letPat = mkTypedHeadPat binding
             ValueSome(spBind, isFromSource, letPat, letRhsExpr, andBangBindings, innerComp, mBind)
         | _ -> ValueNone
     | _ -> ValueNone
@@ -2011,7 +2011,7 @@ let rec TryTranslateComputationExpression
                     |> List.map (fun expr -> mkSourceExprConditional isFromSource expr ceenv.sourceMethInfo ceenv.builderValName)
 
                 let pats =
-                    letPat :: [ for binding in andBangBindings -> getTypedHeadPattern binding ]
+                    letPat :: [ for binding in andBangBindings -> mkTypedHeadPat binding ]
 
                 let sourcesRange = sources |> List.map (fun e -> e.Range) |> List.reduce unionRanges
 

tests/FSharp.Compiler.ComponentTests/Language/ComputationExpressionTests.fs

@@ -2032,7 +2032,7 @@ match test() with
         |> shouldSucceed
 
     [<Fact>]
-    let ``Preview: let! return type check error 01`` () =
+    let ``Preview: let! return type mismatch error 01`` () =
         FSharp """
 module Test
 
@@ -2056,7 +2056,7 @@ but here has type
         ]
 
     [<Fact>]
-    let ``Preview: let! return type check error 02`` () =
+    let ``Preview: let! return type mismatch error 02`` () =
         FSharp """
 module Test
 
@@ -2080,7 +2080,7 @@ but here has type
         ]
 
     [<Fact>]
-    let ``Preview: let! return type check error 03`` () =
+    let ``Preview: let! return type mismatch error 03`` () =
         FSharp """
 module Test
 
@@ -2104,7 +2104,7 @@ but here has type
         ]
 
     [<Fact>]
-    let ``Preview: let!-and! return type check error 01`` () =
+    let ``Preview: let!-and! return type mismatch error 01`` () =
         FSharp """
 module Test
 
@@ -2136,7 +2136,7 @@ but here has type
         ]
 
     [<Fact>]
-    let ``Preview: let!-and! return type check error 02`` () =
+    let ``Preview: let!-and! return type mismatch error 02`` () =
         FSharp """
 module Test
 
@@ -2166,7 +2166,7 @@ but here has type
         ]
 
     [<Fact>]
-    let ``Preview: let!-and! return type check error 03`` () =
+    let ``Preview: let!-and! return type mismatch error 03`` () =
         FSharp """
 module Test