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-rw-r--r--txr.116
1 files changed, 15 insertions, 1 deletions
diff --git a/txr.1 b/txr.1
index ab75e874..d7f3ad91 100644
--- a/txr.1
+++ b/txr.1
@@ -27419,7 +27419,7 @@ is returned.
.coNP Functions @ find and @ find-if
.synb
.mets (find < key < sequence >> [ testfun <> [ keyfun ]])
-.mets (find-if < predfun < sequence <> [ keyfun ])
+.mets (find-if < predfun >> { sequence | << hash } <> [ keyfun ])
.syne
.desc
The
@@ -27474,6 +27474,20 @@ element is found,
.code nil
is returned.
+In the case of
+.codn find-if ,
+a hash table may be specified instead of a sequence.
+The
+.meta hash
+is treated as if it were a sequence of hash key and hash
+value pairs represented as cons cells, the
+.code car
+slots of which are the hash keys, and the
+.code cdr
+of which are the hash values. If the caller doesn't specify a
+.meta keyfun
+then these cells are taken as their keys.
+
.coNP Functions @ rfind and @ rfind-if
.synb
.mets (rfind < key < sequence >> [ testfun <> [ keyfun ]])