library /*isNonNullableByDefault*/;
//
// Problems in library:
//
// pkg/front_end/testcases/nnbd/demote_closure_types.dart:8:17: Error: A value of type 'T' can't be assigned to a variable of type 'String'.
//     String s = f();
//                 ^
//
import self as self;
import "dart:core" as core;

static method method<T extends core::Object? = dynamic>(self::method::T% a, self::method::T% b) → dynamic {
  if(a is{ForNonNullableByDefault} core::String) {
    () → self::method::T% f = () → self::method::T% => a{self::method::T% & core::String /* '%' & '!' = '!' */};
    core::String s = invalid-expression "pkg/front_end/testcases/nnbd/demote_closure_types.dart:8:17: Error: A value of type 'T' can't be assigned to a variable of type 'String'.
    String s = f();
                ^" in f(){() → self::method::T%} as{TypeError,ForNonNullableByDefault} core::String;
  }
}
static method main() → dynamic {}