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added entry for record-type-equal-procedure and friends

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release_notes.stex

original commit: 28cbb65f9796672bb9a85d3eb2d63cc149031a1e
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Kent Dybvig 2017-03-26 21:04:55 -04:00
parent f290ab67c8
commit 118e3f6fd9
2 changed files with 12 additions and 0 deletions
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@ -429,3 +429,5 @@
- adding dropped changes
record.ss,
root-experr*
- added entry for record-type-equal-procedure and friends
release_notes.stex

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release_notes/release_notes.stex
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@ -58,6 +58,16 @@ Online versions of both books can be found at
%-----------------------------------------------------------------------------
\section{Functionality Changes}\label{section:functionality}
\subsection{Record equality and hashing (9.4.1)}
The new procedures \scheme{record-type-equal-procedure} and
\scheme{record-type-hash-procedure} can be used to customize the
handling of records by \scheme{equal?} and \scheme{hash}, and
the new procedures \scheme{record-equal-procedure} and
\scheme{record-hash-procedure} can be used to look up the
applicable (possibly inherited) equality and hashing procedures
for specific record instances.
\subsection{Immutable vectors, fxvectors, bytevectors, strings, and boxes (9.4.1)}
Support for immutable vectors, fxvectors, bytevectors, strings, and boxes