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-rw-r--r--hashtab.txi9
1 files changed, 9 insertions, 0 deletions
diff --git a/hashtab.txi b/hashtab.txi
index b2a7a0e..572b452 100644
--- a/hashtab.txi
+++ b/hashtab.txi
@@ -10,6 +10,7 @@ Returns a hash function (like @code{hashq}, @code{hashv}, or
@code{char=?}, @code{char-ci=?}, @code{string=?}, or
@code{string-ci=?}.
@end defun
+
@noindent
A hash table is a vector of association lists.
@@ -18,6 +19,7 @@ A hash table is a vector of association lists.
Returns a vector of @var{k} empty (association) lists.
@end defun
+
@noindent
Hash table functions provide utilities for an associative database.
These functions take an equality predicate, @var{pred}, as an argument.
@@ -35,6 +37,7 @@ argument or @code{#f} if no key in @var{hashtab} is @var{pred}-equal to
the first argument.
@end defun
+
@defun hash-inquirer pred
Returns a procedure of 2 arguments, @var{hashtab} and @var{key}, which
@@ -42,6 +45,7 @@ returns the value associated with @var{key} in @var{hashtab} or
@code{#f} if @var{key} does not appear in @var{hashtab}.
@end defun
+
@defun hash-associator pred
Returns a procedure of 3 arguments, @var{hashtab}, @var{key}, and
@@ -50,6 +54,7 @@ Returns a procedure of 3 arguments, @var{hashtab}, @var{key}, and
will be lost.
@end defun
+
@defun hash-remover pred
Returns a procedure of 2 arguments, @var{hashtab} and @var{key}, which
@@ -57,6 +62,7 @@ modifies @var{hashtab} so that the association whose key is @var{key} is
removed.
@end defun
+
@defun hash-map proc hash-table
Returns a new hash table formed by mapping @var{proc} over the
@@ -64,6 +70,7 @@ keys and values of @var{hash-table}. @var{proc} must be a function of 2
arguments which returns the new value part.
@end defun
+
@defun hash-for-each proc hash-table
Applies @var{proc} to each pair of keys and values of @var{hash-table}.
@@ -71,6 +78,7 @@ Applies @var{proc} to each pair of keys and values of @var{hash-table}.
unspecified.
@end defun
+
@defun hash-rehasher pred
@code{hash-rehasher} accepts a hash table predicate and returns a function of two
@@ -82,3 +90,4 @@ This function is used for nondestrutively resizing a hash table.
is the size of a new hash table to be returned. The new hash table
will have all of the associations of the old hash table.
@end defun
+