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Clarified the recursive behavior of datum->syntax on hash tables and prefab structs.

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svn: r17936
This commit is contained in:
Carl Eastlund 2010-02-02 01:33:39 +00:00
parent a1d5573613
commit 87712b0dd2
1 changed files with 6 additions and 6 deletions
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12
collects/scribblings/reference/stx-ops.scrbl
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@ -157,12 +157,12 @@ needed to strip lexical and source-location information recursively.}
[cert (or/c syntax? #f) #f]) [cert (or/c syntax? #f) #f])
syntax?]{ syntax?]{
Converts the @tech{datum} @scheme[v] to a @tech{syntax object}. If Converts the @tech{datum} @scheme[v] to a @tech{syntax object}.
@scheme[v] is a pair, vector, box, immutable hash table, or immutable The contents of pairs, vectors, and boxes, the fields of @tech{prefab}
@tech{prefab} structure, then the contents are recursively converted; structures, and the values of immutable hash tables are recursively converted.
mutable vectors and boxes are essentially replaced by immutable The keys of @tech{prefab} structures and the keys of immutable hash tables are
vectors and boxes. @tech{Syntax object}s already in @scheme[v] are not converted. Mutable vectors and boxes are replaced by immutable vectors and
preserved as-is in the result. For any kind of value other than a boxes. For any kind of value other than a
pair, vector, box, immutable @tech{hash table}, immutable pair, vector, box, immutable @tech{hash table}, immutable
@tech{prefab} structure, or @tech{syntax object}, conversion means @tech{prefab} structure, or @tech{syntax object}, conversion means
wrapping the value with lexical information, source-location wrapping the value with lexical information, source-location