This is an automatically generated page and cannot be edited directly. Text in Composite pages, (URLs starting with 'routine' or 'syntax') can be edited by clicking on the link labeled 'in context', and editing the text there.

Exit this popup by pressing <Escape>, or clicking on X or on the background.

opened
Combined from primary sources listed below.

In IO::CatHandle§

See primary documentation in context for method opened. 

method opened(IO::CatHandle:D: --> Bool:D)

Returns True if the invocant has any source handles, False otherwise.

say IO::CatHandle.new      .opened; # OUTPUT: «False␤»
say IO::CatHandle.new($*IN).opened; # OUTPUT: «True␤»

(my $f1 = 'foo'.IO).spurt: "A\nB\nC";
with IO::CatHandle.new: $f1 {
    .opened.say; # OUTPUT: «True␤»
    .slurp;
    .opened.say; # OUTPUT: «False␤»
}

In IO::Handle§

See primary documentation in context for method opened. 

method opened(IO::Handle:D: --> Bool:D)

Returns True if the handle is open, False otherwise.