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| author | Hugo Hörnquist <hugo@lysator.liu.se> | 2023-09-07 18:03:40 +0200 |
|---|---|---|
| committer | Hugo Hörnquist <hugo@lysator.liu.se> | 2023-09-11 18:00:15 +0200 |
| commit | 01987c093e2cfbd46115cc58e4ff9f789efb9d0d (patch) | |
| tree | 841382c97a62e9108dcabb0e5c4e27c5ab459d19 /doc/ref/guile/util.texi | |
| parent | Fixes to xdg basedir. (diff) | |
| download | calp-01987c093e2cfbd46115cc58e4ff9f789efb9d0d.tar.gz calp-01987c093e2cfbd46115cc58e4ff9f789efb9d0d.tar.xz | |
Enable let-env to unset variables.
Diffstat (limited to 'doc/ref/guile/util.texi')
| -rw-r--r-- | doc/ref/guile/util.texi | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/doc/ref/guile/util.texi b/doc/ref/guile/util.texi index 72463407..7536a9bc 100644 --- a/doc/ref/guile/util.texi +++ b/doc/ref/guile/util.texi @@ -315,6 +315,9 @@ Converts @var{any} to a string, as per @var{display}. @defmac let-env bindings body ... Similar to @var{let}, but sets environment variables for the code in body. Restores the old values once we leave. + +A variable can also be removed from the environment, by setting its +value to @code{#f}. @end defmac @defmac catch* thunk (symbol proc) ... |