Kind/book/Char.is_name.kind2
2024-02-12 22:39:06 -03:00

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Char.is_name
: ∀(a: Char)
Bool
= λa
(Bool.or (Char.is_between 'a' 'z' a)
(Bool.or (Char.is_between 'A' 'Z' a)
(Bool.or (Char.is_between '0' '9' a)
(Bool.or (Char.equal '_' a)
(Bool.or (Char.equal '.' a)
(Bool.or (Char.equal '-' a)
Bool.false))))))