Error while trying to coerce a string to a number
class X::Str::Numeric is Exception { }
Error thrown (or wrapped in a Failure) when a conversion from string to a number fails.
For example
say +"42 answers";
CATCH { default { put .^name, ': ', .Str } };
# OUTPUT: «X::Str::Numeric: Cannot convert string to number: trailing characters after number in '42⏏ answers' (indicated by ⏏)»
method source(--> Str:D)
Returns the string that was attempted to convert to a number
method pos(--> Int:D)
Gives the position into the string where the parsing failed.
method reason(--> Int:D)
Verbal description of the reason why the conversion failed.