blob: f9fbd5e40cd963a620c15180d1828c1ed3b69416 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
|
discard """
file: "tobjpragma.nim"
output: '''2
3
9
257
1
2
3'''
"""
# Test
type
Foo {.packed.} = object
a: int8
b: int8
Bar {.packed.} = object
a: int8
b: int16
Daz {.packed.} = object
a: int32
b: int8
c: int32
var f = Foo(a: 1, b: 1)
var b: Bar
var d: Daz
echo sizeof(f)
echo sizeof(b)
echo sizeof(d)
echo (cast[ptr int16](f.addr)[])
type
Union {.union.} = object
a: int8
b: int8
var u: Union
u.a = 1
echo u.b
u.a = 2
echo u.b
u.b = 3
echo u.a
|