Deprecate Array(shape...)-like constructors to Array(uninitialized, s…

…hape...) equivalents.

NEWS.md

@@ -408,6 +408,14 @@ Deprecated or removed
     Instead, reshape the array or add trailing indices so the dimensionality and number of indices
     match ([#14770], [#23628]).
 
+  * Uninitialized `Array`/`Matrix`/`Vector `constructors of the form
+    `{Array|Matrix|Vector}[{T}](shape...)` have been deprecated in favor of equivalents
+    accepting `uninitialized` (an alias for `Uninitialized()`) as their first argument,
+    as in `{Array|Matrix|Vector}[{T}](uninitialized, shape...)`. For example,
+    `Vector(3)` is now `Vector(uninitialized, 3)`, `Matrix{Int}((2, 4))` is now,
+    `Matrix{Int}(uninitialized, (2, 4))`, and `Array{Float32}(11, 13, 17)` is now
+    `Array{Float32}(uninitialized, 11, 13, 17)` ([#LIKETEARSINRAIN]).
+
   * `fill!(A::Diagonal, x)` and `fill!(A::AbstractTriangular, x)` have been deprecated
     in favor of `Base.LinAlg.fillslots!(A, x)` ([#24413]).
 

base/boot.jl

@@ -373,20 +373,6 @@ Array{T}(::Uninitialized, d::NTuple{N,Int}) where {T,N} = Array{T,N}(uninitializ
 # empty vector constructor
 Array{T,1}() where {T} = Array{T,1}(uninitialized, 0)
 
-## preexisting Array constructors, i.e. without uninitialized, to deprecate
-# type and dimensionality specified, accepting dims as series of Ints
-Array{T,1}(m::Int) where {T} = Array{T,1}(uninitialized, m)
-Array{T,2}(m::Int, n::Int) where {T} = Array{T,2}(uninitialized, m, n)
-Array{T,3}(m::Int, n::Int, o::Int) where {T} = Array{T,3}(uninitialized, m, n, o)
-Array{T,N}(d::Vararg{Int,N}) where {T,N} = Array{T,N}(uninitialized, d)
-# type and dimensionality specified, accepting dims as tuples of Ints
-Array{T,N}(d::NTuple{N,Int}) where {T,N} = Array{T,N}(uninitialized, d)
-# type but not dimensionality specified
-Array{T}(m::Int) where {T} = Array{T}(uninitialized, m)
-Array{T}(m::Int, n::Int) where {T} = Array{T}(uninitialized, m, n)
-Array{T}(m::Int, n::Int, o::Int) where {T} = Array{T}(uninitialized, m, n, o)
-Array{T}(d::NTuple{N,Int}) where {T,N} = Array{T}(uninitialized, d)
-
 
 # primitive Symbol constructors
 function Symbol(s::String)

base/deprecated.jl

@@ -2027,6 +2027,17 @@ end
 # also remove deprecation warnings in find* functions in array.jl, sparse/sparsematrix.jl,
 # and sparse/sparsevector.jl.
 
+# deprecate Array(shape...)-like constructors to Array(uninitialized, shape...) (ref. #24595)
+@deprecate Array{T,1}(m::Int) where {T}                  Array{T,1}(uninitialized, m)
+@deprecate Array{T,2}(m::Int, n::Int) where {T}          Array{T,2}(uninitialized, m, n)
+@deprecate Array{T,3}(m::Int, n::Int, o::Int) where {T}  Array{T,3}(uninitialized, m, n, o)
+@deprecate Array{T,N}(d::Vararg{Int,N}) where {T,N}      Array{T,N}(uninitialized, d)
+@deprecate Array{T,N}(d::NTuple{N,Int}) where {T,N}      Array{T,N}(uninitialized, d)
+@deprecate Array{T}(m::Int) where {T}                    Array{T}(uninitialized, m)
+@deprecate Array{T}(m::Int, n::Int) where {T}            Array{T}(uninitialized, m, n)
+@deprecate Array{T}(m::Int, n::Int, o::Int) where {T}    Array{T}(uninitialized, m, n, o)
+@deprecate Array{T}(d::NTuple{N,Int}) where {T,N}        Array{T}(uninitialized, d)
+
 # issue #22849
 @deprecate reinterpret(::Type{T}, a::Array{S}, dims::NTuple{N,Int}) where {T, S, N} reshape(reinterpret(T, vec(a)), dims)
 @deprecate reinterpret(::Type{T}, a::SparseMatrixCSC{S}, dims::NTuple{N,Int}) where {T, S, N} reinterpret(T, reshape(a, dims))