Documentation for method file assembled from the following pages:

Class: CallFrame §

From CallFrame

(CallFrame) method file §

method file()

This is a shortcut for looking up the file annotation. Therefore, the following code prints True.

my $frame = callframe(0);
say $frame.file eq $frame.annotations<file>;

Class: Backtrace::Frame §

From Backtrace::Frame

(Backtrace::Frame) method file §

Defined as:

method file(Backtrace::Frame:D --> Str)

Returns the file name.

my $bt = Backtrace.new;
my $btf = $bt[0];
say $btf.file;

Class: Code §

From Code

(Code) method file §

Defined as:

method file(Code:D: --> Str:D)

Returns the name of the file in which the code object was declared.

say &infix:<+>.file;   # OUTPUT: «SETTING::src/core.c/Numeric.pm6␤»

Class: Label §

From Label

(Label) method file §

Returns the file the label is defined in.