• Georg Schmid's avatar
    [torque] Infer type arguments of generic struct initializers · b1db8d84
    Georg Schmid authored
    Previously when creating a new generic struct, one had to explicitly provide all type arguments, e.g., for the generic struct
    
      struct Box<T: type> {
        const value: T;
      }
    
    one would initialize a new box using
    
      const aSmi: Smi = ...;
      const box = Box<Smi> { value: aSmi };
    
    With the additions in this CL the explicit type argument can be omitted. Type inference proceeds analogously to specialization of generic callables.
    
    Additionally, this CL slightly refactors class and struct initialization, and make type inference more permissive in the presence of unsupported type constructors (concretely, union types and function types).
    
    R=jgruber@chromium.org, tebbi@chromium.org
    
    Change-Id: I529be5831a85d317d8caa6cb3a0ce398ad578c86
    Bug: v8:7793
    Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1728617
    Commit-Queue: Georg Schmid <gsps@google.com>
    Reviewed-by: 's avatarTobias Tebbi <tebbi@chromium.org>
    Cr-Commit-Position: refs/heads/master@{#63036}
    b1db8d84
declarations.cc 11.8 KB