class X::Syntax::Signature::InvocantMarker does X::Syntax { }
Syntax error when the invocant in a signature is anywhere else than after the first parameter.
For example
dies with
===SORRY!===
Can only use : as invocant marker in a signature after the first parameter
See also: Signature.
Type relations for X::Syntax::Signature::InvocantMarker
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