mirror of
https://github.com/nim-lang/Nim.git
synced 2025-12-30 09:54:49 +00:00
27 lines
349 B
Nim
27 lines
349 B
Nim
type
|
|
PA[T] = ref TA[T]
|
|
TA[T] = object
|
|
field: T
|
|
var a: PA[string]
|
|
new(a)
|
|
a.field = "some string"
|
|
|
|
when false:
|
|
# Compiles unless you use var a: PA[string]
|
|
type
|
|
PA = ref TA
|
|
TA[T] = object
|
|
|
|
|
|
# Cannot instantiate:
|
|
type
|
|
TA[T] = object
|
|
a: PA[T]
|
|
PA[T] = ref TA[T]
|
|
|
|
type
|
|
PA[T] = ref TA[T]
|
|
TA[T] = object
|
|
|
|
|