class X::Syntax::Reserved does X::Syntax { }

Syntax error thrown when a syntax is used which is reserved for future expansion.

For example

my @a();

dies with

The () shape syntax in array declarations is reserved


method reserved§

method reserved(--> Str:D)

Returns a text description of the reserved syntax.

method instead§

method instead(--> Str)

Describes what to use instead of the reserved syntax (if anything).