matzo-web/examples/person.matzo

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

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

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

fn job[g] =>
    "stonemason"
  | "baker"
  | "accountant"
  | case g in
      { Male   => "fisherman"
      ; Female => "fisherwoman"
      ; _      => "fisher"
      };

fn tool { ["stonemason"] => "chisel"
        ; ["baker"]      => "bowl"
        ; ["accountant"] => "tablet"
        ; [_]            => "fishing pole"
        };

adjective ::= happy cheerful focused quiet meek rash;

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