JR_ARR
- Macro
- April 17, 2026
Table of Contents
JR_ARR
JR_ARRDescription
Read a JSON array using a custom value reader expression. The macro parses a JSON array and calls the user-provided code block for each element. If the value can’t be parsed or reader fails to advance the iterator, the value is skipped.
Parameters
| Name | Direction | Description |
|---|---|---|
si | in,out | Stream iterator to read from. |
Usage example (from documentation)
JR_ARR(si, {
MyStruct tmp = {0};
JR_OBJ(si, {
JR_INT_KV(si, "x", tmp.x);
JR_FLT_KV(si, "y", tmp.y);
});
VecPush(&data.items, tmp);
});
Success
All values processed or skipped gracefully
Failure
Logs error and restores si on structural or read failure
Usage example (Cross-references)
- In
JSON.h:649:
do { \
if (!StrCmpZstr(&key, (k))) { \
JR_ARR(si, reader); \
} \
} while (0)