reserved(class) class(Feeling)
  
  reserved(def) method(~)
    ident(p) symbol(:drunk)
  reserved(end)
  
  reserved(def) method(!)
    ident(p) symbol(:alert)
  reserved(end)
  
  reserved(alias) method(not) method(!@)
  reserved(alias) method(tilde) method(~@)
  
  reserved(def) method(-@)
    ident(p) symbol(:bad)
  reserved(end)
  
  reserved(def) method(+@)
    ident(p) symbol(:good)
  reserved(end)
  
reserved(end)

ident(feeling) operator(=) constant(Feeling)operator(.)ident(new)

operator(-)ident(feeling)  comment(# => :bad)
operator(+)ident(feeling)  comment(# => :good)
operator(!)ident(feeling)  comment(# => :alert)
operator(~)ident(feeling)  comment(# => :drunk)

reserved(def) method(=~) ident(other)
  ident(bla)
reserved(end)

ident(feeling)operator(.)ident(!)  comment(# => :alert)
ident(feeling)operator(.)ident(~)  comment(# => :drunk)
ident(feeling)operator(.)ident(!@)  comment(# => :alert)
ident(feeling)operator(.)ident(~@)  comment(# => :drunk)
ident(feeling)operator(.)ident(-@)operator(()operator(\))  comment(# => :bad)
ident(feeling)operator(.)ident(+@)operator(()operator(\))  comment(# => :good)

comment(# >> :bad)
comment(# >> :good)
comment(# >> :alert)
comment(# >> :drunk)
comment(# >> :alert)
comment(# >> :drunk)
comment(# >> :alert)
comment(# >> :drunk)
comment(# >> :bad)
comment(# >> :good)