Would it be reasonable for the compiler to check for duplicated keys in an associative array literal where all the keys are known at compile time? For example:

auto aa = ["foo": 1, "foo": 1];

-- 
/Jacob Carlborg

On Saturday, 3 June 2017 at 14:59:38 UTC, Jacob Carlborg wrote:
> Would it be reasonable for the compiler to check for duplicated keys in an associative array literal where all the keys are known at compile time? For example:
>
> auto aa = ["foo": 1, "foo": 1];

You can write one yourself as soon as newCTFE supports it :)

On Saturday, 3 June 2017 at 14:59:38 UTC, Jacob Carlborg wrote:
> Would it be reasonable for the compiler to check for duplicated keys in an associative array literal where all the keys are known at compile time? For example:
>
> auto aa = ["foo": 1, "foo": 1];

https://issues.dlang.org/show_bug.cgi?id=11637

Same goes for array literals with duplicate indexed initializers (from BZ link):

int[] a = [0:10, 0:20]; //allowed

Although for struct named member init dmd warns:

struct S {
    int  a;
}

S s = { a: 2, a: -5 }; //Error: duplicate initializer for field 'a'