Documentation for method opened
assembled from the following pages:
Class: IO::CatHandle §
From IO::CatHandle
(IO::CatHandle) method opened §
Defined as:
method opened(IO::CatHandle: --> Bool)
Returns True
if the invocant has any source handles, False
otherwise.
say IO::CatHandle.new .opened; # OUTPUT: «False» say IO::CatHandle.new().opened; # OUTPUT: «True» (my = 'foo'.IO).spurt: "A\nB\nC";with IO::CatHandle.new:
Class: IO::Handle §
From IO::Handle
(IO::Handle) method opened §
Defined as:
method opened(IO::Handle: --> Bool)
Returns True
if the handle is open, False
otherwise.