matzo/examples/person.matzo

gender:= Male | Female | Unspec;
byGender := { [m,f,n] => { [Male] => m; [Female] => f; [_] => n }};

ending  := byGender["o","a","e"];
pronoun := byGender["He","She","They"];
noun    := byGender["man","woman","person"];
are     := byGender["is","is","are"];
have    := byGender["has", "has", "have"];

cons  ::= p t c d g r l m n x;
vowel ::= a e i o u;

name := { [g] => (vowel | "") rep[1..3, cons vowel] cons ending[g] };

hairColor ::= black brown blonde;
eyeColor  ::= brown green blue;

job := { [g] =>
    "stonemason"
  | "baker"
  | "accountant"
  | case g in
      { Male   => "fisherman"
      ; Female => "fisherwoman"
      } };
tool := { ["stonemason"] => "chisel"
        ; ["baker"]      => "bowl"
        ; ["accountant"] => "tablet"
        ; [_]            => "fishing pole"
        };

adjective ::= happy cheerful focused quiet meek rash;

person :=
  let fix my-gender := gender in {
  let fix my-job := job[my-gender] in {
    "You come across " str/capitalize[name[my-gender]] ", a " noun[my-gender]
      " from the city of " str/capitalize[name[Female]] ". "
      pronoun[my-gender] " " are[my-gender] " a hardworking " my-job " with "
      hairColor " hair and " eyeColor " eyes. "
      str/capitalize[pronoun[my-gender]] " "
      have[my-gender] " a " tool[my-job] " and " are[my-gender] " very " adjective "." } };
puts person;