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[vector] Allow to iterate with mutables (#7586)

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Co-authored-by: ArnaudD-FR <arnaud.desmier@gmail.com>
Co-authored-by: Derek Bailey <derekbailey@google.com>
This commit is contained in:
ArnaudD-FR
2022-10-21 21:10:18 +02:00
committed by GitHub
parent 872a497464
commit 5b3fadcc16
4 changed files with 30 additions and 6 deletions
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12
include/flatbuffers/buffer.h
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@@ -76,6 +76,9 @@ template<typename T> struct IndirectHelper {
static return_type Read(const uint8_t *p, uoffset_t i) {
return EndianScalar((reinterpret_cast<const T *>(p))[i]);
}
static return_type Read(uint8_t *p, uoffset_t i) {
return Read(const_cast<const uint8_t *>(p), i);
}
};
template<typename T> struct IndirectHelper<Offset<T>> {
typedef const T *return_type;
@@ -85,13 +88,20 @@ template<typename T> struct IndirectHelper<Offset<T>> {
p += i * sizeof(uoffset_t);
return reinterpret_cast<return_type>(p + ReadScalar<uoffset_t>(p));
}
static mutable_return_type Read(uint8_t *p, uoffset_t i) {
p += i * sizeof(uoffset_t);
return reinterpret_cast<mutable_return_type>(p + ReadScalar<uoffset_t>(p));
}
};
template<typename T> struct IndirectHelper<const T *> {
typedef const T *return_type;
typedef T *mutable_return_type;
static const size_t element_stride = sizeof(T);
static return_type Read(const uint8_t *p, uoffset_t i) {
return reinterpret_cast<const T *>(p + i * sizeof(T));
return reinterpret_cast<return_type>(p + i * sizeof(T));
}
static mutable_return_type Read(uint8_t *p, uoffset_t i) {
return reinterpret_cast<mutable_return_type>(p + i * sizeof(T));
}
};