[Issue 6162] New: Remove "invariant" as alias for "immutable"

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=6162

           Summary: Remove "invariant" as alias for "immutable"
           Product: D
           Version: D2
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: enhancement
          Priority: P2
         Component: DMD
        AssignedTo: nobody at puremagic.com
        ReportedBy: bearophile_hugs at eml.cc


--- Comment #0 from bearophile_hugs at eml.cc 2011-06-15 13:37:33 PDT ---
In DMD 2.053 this code compiles with no errors, because "invariant" is an alias
for "immutable" still:


void main() {
    invariant x = 10;
}


But I suggest to remove this alias soon because it causes me some troubles
regarding Class/struct/enum invariants. 


DMD v2.053 compiles this with no errors:


struct Foo {
    invariant {}
}
struct Bar {
    invariant
}
class CFoo {
    invariant {}
}
class CBar {
    invariant
}
void main() {}


See bug 4325 for more info.

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