X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~mdw/git/mLib/blobdiff_plain/d0053e2e04b82ba280e6bffb9168ae9468eb9788..f02553fdfdc99b34012478cdea5b57a280c0d3e7:/man/darray.3

diff --git a/man/darray.3 b/man/darray.3
index 69a3239..8f7953c 100644
--- a/man/darray.3
+++ b/man/darray.3
@@ -19,7 +19,7 @@
 ..
 .ie t .ds o \(bu
 .el .ds o o
-.TH darray 3 "21 October 1999" mLib
+.TH darray 3 "21 October 1999" "Straylight/Edgeware" "mLib utilities library"
 .SH "NAME"
 darray \- dense, dynamically resizing arrays
 .\" @DA_INIT
@@ -43,6 +43,8 @@ darray \- dense, dynamically resizing arrays
 .\" @DA_UNSAFE_SHRINK
 .\" @DA_UNSLIDE
 .\" @DA_UNSAFE_UNSLIDE
+.\" @DA_FIRST
+.\" @DA_LAST
 .\" @DA_PUSH
 .\" @DA_POP
 .\" @DA_UNSHIFT
@@ -82,6 +84,8 @@ darray \- dense, dynamically resizing arrays
 .BI "void DA_UNSAFE_SLIDE(" type_v " *" a ", long " n );
 .BI "void DA_UNSAFE_UNSLIDE(" type_v " *" a ", long " n );
 
+.IB type " DA_FIRST(" type_v " *" a );
+.IB type " DA_LAST(" type_v " *" a );
 .BI "void DA_PUSH(" type_v " *" a ", " type " " x );
 .IB type " DA_POP(" type_v " *" a );
 .BI "void DA_UNSHIFT(" type_v " *" a ", " type " " x );
@@ -329,6 +333,13 @@ and
 can fail because the array is empty, in which case
 .B DAEXC_UFLOW
 is thrown.
+.PP
+The operations
+.B DA_FIRST
+and
+.B DA_LAST
+are lvalues referring to the first and last elements in the array
+respectively.  They are unsafe if the array is empty.
 .SS "Low-level details"
 This section describes low-level details of the dynamic array
 implementation.  You should try to avoid making use of this information
@@ -441,4 +452,4 @@ Reallocate the array to use the smallest amount of memory possible.
 .BR exc (3),
 .BR mLib (3).
 .SH "AUTHOR"
-Mark Wooding, <mdw@nsict.org>
+Mark Wooding, <mdw@distorted.org.uk>