Merge branch 'master' of github.com:MarcusTL12/JuliaKursPVV

2019/Julia/Code/14.IOBuffer.jl

@@ -0,0 +1,15 @@
+
+# IOBuffers are like writing to a file in memory. They are really efficient
+# when creating strings and work like any other IO object we've worked with.
+io = IOBuffer()
+
+a = 42
+write(io, "i = ")
+print(io, a)
+
+# To retrieve the written data from the buffer we call take!(). This returns
+# a Vector{UInt8} so to interpret it as a string we call String()
+s = String(take!(io))
+
+println(s)
+