Rules / Types, classes & roles / domain-specific

Signal Reference

List of supported signals

What it is #

Examples, run three ways #

Every example below comes from the official documentation, together with the output that documentation asserts. Each was then executed by Rakudo and by Raku++ when this page was built. Where the three agree, one result is shown; where they do not, all three are — because which of them is wrong is exactly the information worth having.

1 no-output · 1 rakupp-differs

enum Signal ()

Not executed: the documentation states no expected output for this example.

say Signal.keys.sort[^3] # show the first 3 alphabetically
# OUTPUT: «(SIGABRT SIGALRM SIGBREAK)»

Documentation

(SIGABRT SIGALRM SIGBREAK)

Rakudo

(SIGABRT SIGALRM SIGBREAK)

Raku++

(Nil Nil Nil)

Raku++ disagrees with both the documentation and Rakudo — a defect.