Float3 = testLex "floating point"
  ".5"
  [ GoTokReal (Just ".5") 0.5
  , GoTokSemicolon]

te
testFloat3 = testLex "floating point"
  ".5"
  [ GoTokReal (Just ".5") 0.5
  , GoTokSemicolon]
testFloat3 = testLex "floating point"
  ".5"
  [ GoTokReal (Just ".5") 0.5
  , GoTokSemicolon]