diff options
Diffstat (limited to 'tests/objvariant/treassign.nim')
-rw-r--r-- | tests/objvariant/treassign.nim | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/tests/objvariant/treassign.nim b/tests/objvariant/treassign.nim new file mode 100644 index 000000000..527204616 --- /dev/null +++ b/tests/objvariant/treassign.nim @@ -0,0 +1,58 @@ +discard """ + output: "SUCCESS" +""" + +type + BasicNumber = object of RootObj + value: float32 + RefChild* = ref object + curr*: TokenObject + Token* {.pure.} = enum + foo, + bar, + TokenObject = object + case kind*: Token + of Token.foo: + foo*: string + of Token.bar: + bar*: BasicNumber + + +var t = RefChild() + +t.curr = TokenObject(kind: Token.bar, bar: BasicNumber(value: 12.34)) + +t.curr = TokenObject(kind: Token.foo, foo: "foo") + +echo "SUCCESS" + +proc passToVar(x: var Token) = discard + +{.cast(uncheckedAssign).}: + passToVar(t.curr.kind) + + t.curr = TokenObject(kind: t.curr.kind, foo: "abc") + + t.curr.kind = Token.foo + + +block: + type + TokenKind = enum + strLit, intLit + Token = object + case kind*: TokenKind + of strLit: + s*: string + of intLit: + i*: int64 + + var t = Token(kind: strLit, s: "abc") + + {.cast(uncheckedAssign).}: + + # inside the 'cast' section it is allowed to assign to the 't.kind' field directly: + t.kind = intLit + + {.cast(uncheckedAssign).}: + t.kind = strLit \ No newline at end of file |