(binding)
library provides a predicate and a syntax to determine if an identifier is bound.
- Test
- Ad hoc version check of library
Sorry. This repository does not provide installation scripts.
Please copy the library files to the appropriate path according to the manual of Scheme implementation.
Write the following at the beginning of the program.
(import (binding))
Returns #t
if obj is an syntax object representing an bound identifier, and #f
otherwise.
<keyword>
must be a keyword.
Expand to #t
if <keyword>
is an bound keyword, and #f
otherwise.
- Chez Scheme 9.5.5 (use option
--program
) - Racket 8.0
- Larceny 1.3
- mosh 0.2.5
- IronScheme 1.0.240
- Sagittarius 0.9.7
- Ypsilon 0.9.6-update3
- Guile 3.0.5