class X::Syntax::Term::MissingInitializer

Compilation error due to declaring a term without initialization

class X::Syntax::Term::MissingInitializer does X::Syntax { }

Syntax error when a term (a backslash variable) is declared without initialization assignment.

For example

my \foo;

dies with

===SORRY!===
Term definition requires an initializer

Valid code would be

my \foo = 42;