• via Digitalmars-d-bugs (29/29) Aug 30 2015 https://issues.dlang.org/show_bug.cgi?id=14982

via Digitalmars-d-bugs <digitalmars-d-bugs puremagic.com> writes:

https://issues.dlang.org/show_bug.cgi?id=14982

          Issue ID: 14982
           Summary: nogc inconsistency
           Product: D
           Version: D2
          Hardware: All
                OS: All
            Status: NEW
          Severity: normal
          Priority: P1
         Component: dmd
          Assignee: nobody puremagic.com
          Reporter: john.loughran.colvin gmail.com

import std.algorithm, std.range;

auto foo(int[] a, immutable int b)  nogc //Fails
{
    return a.map!(x => x + b);
}

auto bar(R)(R a, immutable int b)  nogc //OK
{
    return a.map!(x => x + b);
}

auto baz(int[] a, immutable int b)  nogc //OK
{
    return bar(a, b);
}

Foo cannot be made  nogc:
Error: function nogctest.foo  nogc function allocates a closure with the GC

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