[GitHub] iblis17 edited a comment on issue #13934: Julia: deprecate `mx.empty`, replace it with `UndefInitializer` constructor

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iblis17 edited a comment on issue #13934: Julia: deprecate `mx.empty`, replace it with `UndefInitializer` constructor
URL: https://github.com/apache/incubator-mxnet/pull/13934#issuecomment-455927683
 
 
   Yeah, for instance:
   ```julia
   julia> mx.empty(2, 3)
   ┌ Warning: `mx.empty(dims...)` is deprecated, use `NDArray(undef, dims...)` instead.
   └ @ MXNet.mx ~/.julia/dev/MXNet/src/deprecated.jl:193
   2×3 NDArray{Float32,2} @ CPU0:
    -2.690016f-37  -2.7809797f-37  4.5f-44
     3.0819f-41     3.0819f-41     0.0f0  
   
   julia> mx.empty((2, 3))
   ┌ Warning: `mx.empty(dims, ctx)` is deprecated, use `NDArray(undef, dims; ctx = ctx)` instead.
   └ @ MXNet.mx ~/.julia/dev/MXNet/src/deprecated.jl:187
   2×3 NDArray{Float32,2} @ CPU0:
    -3.1642064f-37  1.7975115f19     8.0f-44
     3.0819f-41     0.00017281323f0  0.0f0
   ```
   
   By Julia's convention, any API changes will pop a deprecation warning (we call it *depwarn* in Julia community) to help user update their code.
   Usually, the depwarn will be removed and turned into error in the next package release cycle.

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