Summary: Function literals are rejected by structure
                    initializers as non-constant
           Product: D
           Version: D2
          Platform: x86_64
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: DMD

--- Comment #0 from Maksim Zholudev <> 2011-09-03 06:30:41 
PDT ---
***** Description: *****

The following code will not compile with DMD64 D Compiler v2.055 (from github):

auto func = function double(double x) {return x;}; // OK

struct Foo {double function(double) func;}
auto f1 = Foo(function double(double x) {return x;}); // Error

void main()
    auto f2 = Foo(function double(double x) {return x;}); // OK
Error: non-constant expression cast(double function(double))function pure
nothrow @safe double(double x)

Compilation fails only if the initializer is placed outside main function.

***** Suspecting: *****

This can be related to Issue 2634 (fixed).

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