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| author | Juan Cruz Viotti <jv@jviotti.com> | 2021-01-21 20:08:29 -0400 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2021-01-21 16:08:29 -0800 |
| commit | 7b1ee31d808382fb8ad6213373c7213634601265 (patch) | |
| tree | 540e1ef91ec3de53fc31c21dda3b53143daf3000 | |
| parent | 4aff1198dd72b4c79652d0c42fbb1dfa2e21afa9 (diff) | |
| download | flatbuffers-7b1ee31d808382fb8ad6213373c7213634601265.tar.gz flatbuffers-7b1ee31d808382fb8ad6213373c7213634601265.tar.bz2 flatbuffers-7b1ee31d808382fb8ad6213373c7213634601265.zip | |
Clarify that FlatBuffers unions do not support scalars (#6416)
I mention that a common practice is to wrap the scalar value in a table
or a struct.
Signed-off-by: Juan Cruz Viotti <jv@jviotti.com>
| -rw-r--r-- | docs/source/Schemas.md | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/docs/source/Schemas.md b/docs/source/Schemas.md index 06c0f5c2..af01a6a6 100644 --- a/docs/source/Schemas.md +++ b/docs/source/Schemas.md @@ -211,9 +211,11 @@ If you have a need to distinguish between different FlatBuffers in a more open-ended way, for example for use as files, see the file identification feature below. -There is an experimental support only in C++ for a vector of unions -(and types). In the example IDL file above, use [Any] to add a -vector of Any to Monster table. +There is an experimental support only in C++ for a vector of unions (and +types). In the example IDL file above, use [Any] to add a vector of Any to +Monster table. There is also experimental support for other types besides +tables in unions, in particular structs and strings. There's no direct support +for scalars in unions, but they can be wrapped in a struct at no space cost. ### Namespaces |