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gnu: Add nhooks.

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* gnu/packages/lisp-xyz.scm (cl-nhooks, ecl-nhooks, sbcl-nhooks): New variables.
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Pierre Neidhardt 2022-01-19 16:24:30 +01:00
parent f52c4dc82a
commit 4d7a997ee1
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1 changed files with 53 additions and 0 deletions
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gnu/packages/lisp-xyz.scm
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@ -20323,3 +20323,56 @@ (define-public cl-phos
(define-public ecl-phos
(sbcl-package->ecl-package sbcl-phos))
(define-public sbcl-nhooks
(package
(name "sbcl-nhooks")
(version "1.0.0")
(source
(origin
(method git-fetch)
(uri (git-reference
(url "https://github.com/atlas-engineer/nhooks")
(commit version)))
(file-name (git-file-name "nhooks" version))
(sha256
(base32
"1v3gh9jf4hbpl1hnyzhkrcj3jdh3q0mlp1n6ci2cbn2rsc65baff"))))
(build-system asdf-build-system/sbcl)
(inputs
(list sbcl-serapeum))
(native-inputs
(list sbcl-fiveam))
(home-page "https://github.com/atlas-engineer/nhooks")
(synopsis "Hook facility for Common Lisp")
(description "This package holds an enhanced implementation of
hooks (extension points). It works similarly to Emacs hooks with crucial
improvements:
@itemize
@item If the compiler allows it (such as SBCL), type-checking is performed at
compile-time and at run-time when adding handlers to a hook.
@item On failure, multiple restarts are offered, such as disabling the
offending handler or simply continuing to the next function.
@item The hook handler execution order and combination can be customized.
@item Anonymous functions (lambdas) can be added to hooks as handler objects.
When inspecting hooks, readable names are thus exposed instead of lambda
blackboxes. Handlers are compared through their names (through the mandatory
name slot). A hook can not contain multiple handlers with the same name.
@item A special provision is taken for “setters”, handlers that are meant to
set a given place to a given values. Such handler objects can be compared and
identified uniquely.
@end itemize\n")
(license license:expat)))
(define-public cl-nhooks
(sbcl-package->cl-source-package sbcl-nhooks))
(define-public ecl-nhooks
(sbcl-package->ecl-package sbcl-nhooks))