title: How do you access the conv function in Julia 1.0.0
body: <p><a href="https://stackoverflow.com/questions/52416920/functions-removed-from-julia-1-0-0">This</a> question on stackoverflow uses Julia 0.6.1, as shown here:</p>
  
  <pre><code>The convolution function in Julia has the following behaviour:
  
                 _
     _       _ _(_)_     |  A fresh approach to technical computing
    (_)     | (_) (_)    |  Documentation: https://docs.julialang.org
     _ _   _| |_  __ _   |  Type "?help" for help.
    | | | | | | |/ _` |  |
    | | |_| | | | (_| |  |  Version 0.6.1 (2017-10-24 22:15 UTC)
   _/ |\__'_|_|_|\__'_|  |  Official http://julialang.org/ release
  |__/                   |  x86_64-pc-linux-gnu
  
  julia&gt; conv([1,2,NaN],[1])
  
  3-element Array{Float64,1}:
   NaN
   NaN
   NaN
  </code></pre>
  
  <p>The same thing in Julia 1.0.0 produces the following Error output:</p>
  
  <pre><code>               _
     _       _ _(_)_     |  Documentation: https://docs.julialang.org
    (_)     | (_) (_)    |
     _ _   _| |_  __ _   |  Type "?" for help, "]?" for Pkg help.
    | | | | | | |/ _` |  |
    | | |_| | | | (_| |  |  Version 1.0.0 (2018-08-08)
   _/ |\__'_|_|_|\__'_|  |  Official https://julialang.org/ release
  |__/                   |
  
  julia&gt; conv([1,2,NaN],[1])
  ERROR: UndefVarError: conv not defined
  Stacktrace:
   [1] top-level scope at none:0
  </code></pre>
  
  <p>How does one access the <code>conv</code> function in Julia 1.0.0?</p>