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 / 
Catmandu-Identifier-0.15
River stage one • 1 direct dependent • 1 total dependent
++
/ Catmandu::Fix::Condition::is_valid_issn

NAME

Catmandu::Fix::Condition::is_valid_issn - condition on validity of issn numbers

SYNOPSIS

   if is_valid_issn(issn_field)
     ...
   else
     ...
   end

SEE ALSO

Catmandu::Fix