Name Rascal/Libraries/Prelude/IO/println

Synopsis Print a value to the output stream and add a newline.

Function

1. void println(value arg)
2. void println()

Usage import IO;

Description Print a value on the output stream followed by a newline. See print for a version that does not add a newline and printlnExp for a version that returns its argument as value.

Examples

rascal>import IO;
ok
rascal>println("Hello World");
Hello World
ok

Introduce variable S and print it:

rascal>S = "Hello World";
str: "Hello World"
rascal>println(S);
Hello World
ok

Introduce variable L and print it:

rascal>L = ["a", "b", "c"];
list[str]: ["a","b","c"]
rascal>println(L);
["a","b","c"]
ok

Use a string template to print several values:

rascal>println("<S>: <L>");
Hello World: ["a","b","c"]
ok

Just print a newline

rascal>println();

ok

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