Documentation for routine key

Documentation for routine key, assembled from the following types:

language documentation Typesystem

From Typesystem

(Typesystem) method key

Returns the key of an enum-pair.

say g.key# OUTPUT: «g␤» 

class Pair

From Pair

(Pair) method key

Defined as:

multi method key(Pair:D:)

Returns the key part of the Pair.

my $p = (Perl => 6);
say $p.key# OUTPUT: «Perl␤» 

class X::Syntax::NegatedPair

From X::Syntax::NegatedPair

(X::Syntax::NegatedPair) method key

Returns the key of the pair that caused the error.