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They can be close()d explicitly with close-file-descriptor, and will close() on gc, but only explicitly closing the last port on them will close the fileno. Notably needed for network sockets where we open separate input and output ports on the same socket.
14 lines
445 B
Scheme
14 lines
445 B
Scheme
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(define-library (chibi char-set base)
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(import (chibi) (chibi iset base))
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(export (rename Integer-Set Char-Set)
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(rename iset? char-set?)
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immutable-char-set
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char-set-contains?)
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(begin
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(define-syntax immutable-char-set
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(sc-macro-transformer
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(lambda (expr use-env)
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(eval (cadr expr) use-env))))
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(define (char-set-contains? cset ch)
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(iset-contains? cset (char->integer ch)))))
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