• jimdoc (15/15) Apr 29 2017 // Round floating point numbers

jimdoc <jimdoc qq.com> writes:

// Round floating point numbers
import std.algorithm, std.conv, std.functional,
     std.math, std.regex, std.stdio;

alias round = pipe!(to!real, std.math.round, to!string);
static reFloatingPoint = ctRegex!`[0-9]+\.[0-9]+`;

void main()
{
     // Replace anything that looks like a real
     // number with the rounded equivalent.
     stdin
         .byLine
         .map!(l => l.replaceAll!(c => c.hit.round)
                                 (reFloatingPoint))
         .each!writeln;
}