tests for Type::Tiny->can and Type::Coercion->can
protect against can't use blah as hashref errors
improve tests for Type::Coercion::FromMoose
test deep explanantions for ScalarRef
oops; remove copy and pasted line
need to check tests still pass with PERL_TYPES_STANDARD_STRICTNUM=1
check 'not a type constraint library' error
Test list/scalar/void context for match_on_type; test excptions thrown by match_on_type. Ditto for compile_match_on_type.