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core-lib: add nconcq! macro

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Henrik Lissner 2019-07-21 19:12:11 +02:00
parent e8ecf65cf9
commit 492f2dea1e
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core/core-lib.el
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@ -305,6 +305,10 @@ This is a variadic `push'."
"Append LISTS to SYM in place." "Append LISTS to SYM in place."
`(setq ,sym (append ,sym ,@lists))) `(setq ,sym (append ,sym ,@lists)))
(defmacro nconcq! (sym &rest lists)
"Append LISTS to SYM by altering them in place."
`(setq ,sym (nconc ,sym ,@lists)))
(defmacro delq! (elt list &optional fetcher) (defmacro delq! (elt list &optional fetcher)
"Delete ELT from LIST in-place." "Delete ELT from LIST in-place."
`(setq ,list `(setq ,list