Rules / Types, classes & roles / exception

X::Syntax::NegatedPair Reference

Compilation error due to passing an argument to a negated colonpair

What it is #

Routines #

Signatures are reproduced from the documentation, including their declared return types. A routine listed here is part of the type's published interface; whether Raku++ implements it is a separate question, answered by the examples below.

method key #

Returns the key of the pair that caused the error.

Examples, run three ways #

Every example below comes from the official documentation, together with the output that documentation asserts. Each was then executed by Rakudo and by Raku++ when this page was built. Where the three agree, one result is shown; where they do not, all three are — because which of them is wrong is exactly the information worth having.

1 no-output

class X::Syntax::NegatedPair does X::Syntax { }

Not executed: the documentation states no expected output for this example.