Built-in I/O tools
This page describes the built-in I/O tools:
out tool
tool out(string pattern, object?... args)Prints formatted text (based on a pattern and arguments) to the standard output stream (stdout).
Parameters
-
pattern -
The format pattern.
-
args -
The arguments.
Runtime errors
-
If the format pattern is invalid.
-
If the format pattern and arguments don’t match.
err tool
tool err(string pattern, object?... args)Prints formatted text (based on a pattern and arguments) to the standard error stream (stderr).
Parameters
-
pattern -
The format pattern.
-
args -
The arguments.
Runtime errors
-
If the format pattern is invalid.
-
If the format pattern and arguments don’t match.
outln tool
tool outln(string pattern = "", object?... args)Prints formatted text (based on a pattern and arguments) to the standard output stream (stdout), printing an additional new line at the end.
Parameters
-
pattern -
The format pattern.
-
args -
The arguments.
Runtime errors
-
If the format pattern is invalid.
-
If the format pattern and arguments don’t match.
errln tool
tool errln(string pattern = "", object?... args)Prints formatted text (based on a pattern and arguments) to the standard error stream (stderr), printing an additional new line at the end.
Parameters
-
pattern -
The format pattern.
-
args -
The arguments.
Runtime errors
-
If the format pattern is invalid.
-
If the format pattern and arguments don’t match.