diff options
| -rw-r--r-- | compiler/ccgtypes.nim | 2 | ||||
| -rw-r--r-- | tests/cpp/tempty_generic_obj.nim | 22 |
2 files changed, 23 insertions, 1 deletions
diff --git a/compiler/ccgtypes.nim b/compiler/ccgtypes.nim index 0c06354d8..dee98aab8 100644 --- a/compiler/ccgtypes.nim +++ b/compiler/ccgtypes.nim @@ -546,7 +546,7 @@ proc getTypeDescAux(m: BModule, typ: PType, check: var IntSet): Rope = of tyRef, tyPtr, tyVar: var star = if t.kind == tyVar and tfVarIsPtr notin typ.flags and compileToCpp(m): "&" else: "*" - var et = t.lastSon + var et = typ.skipTypes(abstractInst).lastSon var etB = et.skipTypes(abstractInst) if etB.kind in {tyArrayConstr, tyArray, tyOpenArray, tyVarargs}: # this is correct! sets have no proper base type, so we treat diff --git a/tests/cpp/tempty_generic_obj.nim b/tests/cpp/tempty_generic_obj.nim new file mode 100644 index 000000000..e2957a5cd --- /dev/null +++ b/tests/cpp/tempty_generic_obj.nim @@ -0,0 +1,22 @@ +discard """ + cmd: "nim cpp $file" + output: '''int +float''' +""" + +import typetraits + +# bug #4625 +type + Vector {.importcpp: "std::vector<'0 >", header: "vector".} [T] = object + +proc initVector[T](): Vector[T] {.importcpp: "'0(@)", header: "vector", constructor.} + +proc doSomething[T](v: var Vector[T]) = + echo T.name + +var v = initVector[int]() +v.doSomething() + +var vf = initVector[float]() +vf.doSomething() # Nim uses doSomething[int] here in C++ |