mirror of
https://github.com/nim-lang/Nim.git
synced 2025-12-28 17:04:41 +00:00
51 lines
1.0 KiB
Nim
51 lines
1.0 KiB
Nim
discard """
|
|
matrix: "--mm:refc; --mm:orc"
|
|
targets: "c cpp js"
|
|
"""
|
|
import std/assertions
|
|
import std/decls
|
|
|
|
template fun() =
|
|
var s = @[10,11,12]
|
|
var a {.byaddr.} = s[0]
|
|
a+=100
|
|
doAssert s == @[110,11,12]
|
|
doAssert a is int
|
|
var b {.byaddr.}: int = s[0]
|
|
doAssert a.addr == b.addr
|
|
|
|
{.push warningAsError[ImplicitTemplateRedefinition]: on.}
|
|
# in the future ImplicitTemplateRedefinition will be an error anyway
|
|
doAssert not compiles(block:
|
|
# redeclaration not allowed
|
|
var foo = 0
|
|
var foo {.byaddr.} = s[0])
|
|
|
|
doAssert not compiles(block:
|
|
# ditto
|
|
var foo {.byaddr.} = s[0]
|
|
var foo {.byaddr.} = s[0])
|
|
{.pop.}
|
|
|
|
block:
|
|
var b {.byaddr.} = s[1] # redeclaration ok in sub scope
|
|
b = 123
|
|
|
|
doAssert s == @[110,123,12]
|
|
|
|
b = b * 10
|
|
doAssert s == @[1100,123,12]
|
|
|
|
doAssert not compiles(block:
|
|
var b2 {.byaddr.}: float = s[2])
|
|
|
|
doAssert compiles(block:
|
|
var b2 {.byaddr.}: int = s[2])
|
|
|
|
proc fun2() = fun()
|
|
fun()
|
|
fun2()
|
|
static: fun2()
|
|
when false: # pending bug #13887
|
|
static: fun()
|