Val

:= [Str(Str), Int(I64), Bool(Bool), List(List(Val)), Attrs(List((Str, Val)))]

A provider-specific value for Custom and Raw settings, written with bare tags and no imports:

Attrs([("shellHook", Str("echo hi")), ("env", Attrs([("DEBUG", Str("1"))]))])

Attribute sets are lists of (name, value) pairs. Lowered to spec.Value.

is_eq : _