How to assignment of single value to multiple indexes to an Array?

General Usage
1

This code works in Julia 0.6, but not the latest Julia 0.7. Is there any alternative ways to do this?

seg = zeros(UInt32,(100,100,100))       
seg[48:52,48:52, 1:end ] = one(UInt32)

I got errors as follows:

ERROR: MethodError: no method matching setindex_shape_check(::UInt32, ::Int64, ::Int64, ::Int64)      
Closest candidates are:                                                                               
  setindex_shape_check(::AbstractArray, ::Integer...) at indices.jl:154                               
  setindex_shape_check(::AbstractArray{#s57,1} where #s57, ::Integer, ::Integer) at indices.jl:196    
  setindex_shape_check(::AbstractArray{#s57,2} where #s57, ::Integer, ::Integer) at indices.jl:200    
  ...                                                                                                 
Stacktrace:                                                                                           
 [1] macro expansion at ./multidimensional.jl:641 [inlined]                                           
 [2] _unsafe_setindex!(::IndexLinear, ::Array{UInt32,3}, ::UInt32, ::UnitRange{Int64}, ::UnitRange{Int
64}, ::UnitRange{Int64}) at ./multidimensional.jl:636                                                 
 [3] _setindex! at ./multidimensional.jl:631 [inlined]                                                
 [4] setindex!(::Array{UInt32,3}, ::UInt32, ::UnitRange{Int64}, ::UnitRange{Int64}, ::UnitRange{Int64}
) at ./abstractarray.jl:998                                                                           
 [5] top-level scope at none:0
2

Julia 0.7 should give you a deprecation message with the replacement:

julia> seg[48:52,48:52, 1:end ] = one(UInt32)
ā”Œ Warning: using `A[I...] = x` to implicitly broadcast `x` across many locations is deprecated. Use `A[I...] .= x` instead.
ā”‚   caller = top-level scope at none:0
ā”” @ Core none:0
1 Like
3

thanks for the quick reply. It turns out that I was using Julia 1.0 rather than 0.7!

4

Just a friendly reminder for other people who come across issues like this in the future: PSA: use Julia 0.7 if you are upgrading

1 Like