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Function std.stdio.writeln

Equivalent to write(args, '\n'). Calling writeln without arguments is valid and just prints a newline to the standard output.

void writeln(T...) (
  T args


args the items to write to stdout


In case of an I/O error, throws an StdioException.


Reads stdin and writes it to stdout with an argument counter.

import std.stdio;

void main()
    string line;

    for (size_t count = 0; (line = readln) !is null; count++)
         writeln("Input ", count, ": ", line);


Walter Bright, Andrei Alexandrescu, Alex Rønne Petersen


Boost License 1.0.