Add 'use warnings' (or its equivalents) to all modules, or convince us that your favorite module is well-known enough and people can easily see the modules warn when something bad happens.

Error: Sah::Schema::hexstr, Sah::Schema::latin_alpha, Sah::Schema::latin_alphanum, Sah::Schema::latin_letter, Sah::Schema::latin_lowercase_alpha, Sah::Schema::latin_lowercase_letter, Sah::Schema::latin_uppercase_alpha, Sah::Schema::latin_uppercase_letter, Sah::Schema::lowercase_str, Sah::Schema::matcher::str, Sah::Schema::multi_line_str, Sah::Schema::non_empty_str, Sah::Schema::percent_str, Sah::Schema::single_line_str, Sah::Schema::str1, Sah::Schema::str_or_aos, Sah::Schema::str_or_aos1, Sah::Schema::str_or_aos1::arrayified, Sah::Schema::str_or_aos::arrayified, Sah::Schema::str_or_code, Sah::Schema::str_or_re, Sah::Schema::str_or_re_or_code, Sah::Schema::uppercase_str, Sah::Schemas::Str