I am trying to find an easy way to format numbers with thousands separators.
It seems the package Formatting can be used for this.
However, I can't seem to get the "python-style" format specifier working.
Below the FormatSpec is correctly created with the field tsep = true, but
it appears to have no effect when printing using printfmt.
julia> fspec = FormatSpec(",d")
Formatting.FormatSpec
cls = i
typ = d
fill =
align = >
sign = -
width = -1
prec = -1
ipre = false
zpad = false
tsep = true
julia> printfmt(fspec, 10^9)
1000000000
Similarly for FormatExpr ...
fexpr = FormatExpr("{:,d}")
printfmt(fexpr, 10^9)
1000000000
Am I doing something wrong? Or is this not yet implemented?
I do realise I can use sprint1 with println or @printf, but I was looking
to use something more "inline".
@printf("x = %s\n", sprintf1("%'i", x))
