error:
       … while evaluating the condition of the assertion '({ b = 1; } == { b = 1.01; })'
         at /pwd/lang/eval-fail-assert-equal-floats.nix:1:1:
            1| assert { b = 1.0; } == { b = 1.01; };
             | ^
            2| abort "unreachable"

       … while comparing attribute 'b'

       … where left hand side is
         at /pwd/lang/eval-fail-assert-equal-floats.nix:1:10:
            1| assert { b = 1.0; } == { b = 1.01; };
             |          ^
            2| abort "unreachable"

       … where right hand side is
         at /pwd/lang/eval-fail-assert-equal-floats.nix:1:26:
            1| assert { b = 1.0; } == { b = 1.01; };
             |                          ^
            2| abort "unreachable"

       error: a float with value '1' is not equal to a float with value '1.01'