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Diffstat (limited to 'docs/reference.rst')
| -rw-r--r-- | docs/reference.rst | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/docs/reference.rst b/docs/reference.rst index b8f9454e..2812958f 100644 --- a/docs/reference.rst +++ b/docs/reference.rst @@ -94,7 +94,7 @@ Part of a message structure, for fields with type PB_HTYPE_CALLBACK:: The *arg* is passed to the callback when calling. It can be used to store any information that the callback might need. -When calling `pb_encode`_, *funcs.encode* must be set, and similarly when calling `pb_decode`_, *funcs.decode* must be set. The function pointers are stored in the same memory location but are of incompatible types. +When calling `pb_encode`_, *funcs.encode* is used, and similarly when calling `pb_decode`_, *funcs.decode* is used. The function pointers are stored in the same memory location but are of incompatible types. You can set the function pointer to NULL to skip the field. pb_wire_type_t -------------- |