m/-tuple-transformer is broken in many ways

[ikitommi]

;; ok
(m/decode
  [:tuple string? string?]
  []
  (mt/string-transformer))
; => []

;; fail
(m/decode
  [:tuple keyword? string?]
  []
  (mt/string-transformer))
; => [nil]

;; megafail
(m/decode
  [:tuple string? keyword?]
  []
  (mt/string-transformer))
; =throws=> Execution error (IndexOutOfBoundsException) at malli.core/-update (core.cljc:194).

[bsless]

Since tuples are also defined by their size, is a correct behavior here to no even enter if it's the wrong size?