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|
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
|