Added a Julia lab

julia/.gitignore

+*.tar.gz
+julia-1.0.4

julia/Makefile

+.PHONY: run
+
+run: julia-1.0.4/bin/julia
+	$< run.jl
+
+julia-1.0.4/bin/julia: julia-1.0.4-linux-x86_64.tar.gz
+	tar xzf $<
+	touch $@
+julia-1.0.4-linux-x86_64.tar.gz:
+	wget https://julialang-s3.julialang.org/bin/linux/x64/1.0/julia-1.0.4-linux-x86_64.tar.gz

julia/dowhile.jl

+macro doWhile(block, cond)
+  println("__source__ ", __source__)
+  println("cond ", cond)
+  println("block ", block)
+  res = quote
+    error("TODO: Your code here")
+  end
+  println(res) # Should not print any lines referencing dowhile.jl
+  res
+end

julia/run.jl

+"""Template programming is a sort of metaprogramming where you fill
+in the blanks, but most parts of the code are very similar."""
+
+for (name,op) in [(:add, :+), (:sub, :-), (:mul, :*)]
+  # Create a function that is named for example add and returns the
+  # sum of its two arguments
+end
+
+@assert 3 == add(1, 2)
+@assert -1.0 == sub(1.0, 2.0)
+@assert "abc" == mul("ab", "c")
+
+"""Reflective programming often has to do with accessing or creating functions
+at runtime, but it is so similar to template programming that you could
+try to delete a function instead."""
+
+module Problem1
+  f(a::Int) = 1
+  f(a::Any) = 2
+end
+# TODO: Delete the method f(a::Int) so that f(1) returns the value 2 instead of 1
+@assert 2 == Problem1.f(1)
+
+# TODO: Make an until block for Julia, similar to do {} while (cond); in C
+#
+# Make sure that any assertions and error-messages refer to lines in the original code.
+# Hint: You can access a hidden input __source__ in a macro and use that to replace source information.
+# By having the macro in a separate file, you can check source locations that match dowhile.jl and replace them with __source__.
+include("dowhile.jl")
+function testDoWhile()
+  local a = 5
+  @doWhile begin
+    @assert a < 18
+    a += 1
+    println(a)
+  end a==100
+end
+testDoWhile()