Kind/book/Char.is_between.kind2
2024-03-01 20:40:31 -03:00

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Char.is_between
: ∀(min: Char) ∀(max: Char) ∀(chr: Char) Bool
= λmin λmax λchr
(Bool.and
(U60.to_bool #(>= chr min))
(U60.to_bool #(<= chr max))
)