Merge DMD r304: refactor invariant => immutable --- dmd/cast.c | 2 +- dmd/declaration.c | 2 +- dmd/declaration.h | 3 +-- dmd/doc.c | 2 +- dmd/expression.c | 6 +++--- dmd/interpret.c | 4 ++-- dmd/mtype.c | 2 +- dmd/mtype.h | 2 +- dmd/parse.c | 4 ++-- dmd/struct.c | 2 +- 10 files changed, 14 insertions(+), 15 deletions(-)

module aa4;

void main()
{
    int[int] aa;
    aa = addkey(aa,42,12);
    int* p = haskey(aa,42);
    assert(p && *p == 12);
}

int[int] addkey(int[int] aa, int key, int val)
{
    aa[key] = val;
    return aa;
}

int* haskey(int[int] aa, int key)
{
    return key in aa;
}