diff options
Diffstat (limited to 'compiler')
| -rw-r--r-- | compiler/semobjconstr.nim | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/compiler/semobjconstr.nim b/compiler/semobjconstr.nim index f3efc1719..77bd6b975 100644 --- a/compiler/semobjconstr.nim +++ b/compiler/semobjconstr.nim @@ -398,8 +398,12 @@ proc semObjConstr(c: PContext, n: PNode, flags: TExprFlags; expectedType: PType # multiple times as long as they don't have closures. result.typ.flags.incl tfHasOwned if t.kind != tyObject: - return localErrorNode(c, result, - "object constructor needs an object type".dup(addDeclaredLoc(c.config, t))) + return localErrorNode(c, result, if t.kind != tyGenericBody: + "object constructor needs an object type".dup(addDeclaredLoc(c.config, t)) + else: "cannot instantiate: '" & + typeToString(t, preferDesc) & + "'; the object's generic parameters cannot be inferred and must be explicitly given" + ) # Check if the object is fully initialized by recursively testing each # field (if this is a case object, initialized fields in two different |