const runtime.traceAllocFreeTypesBatch

2 uses

	runtime (current package)
		traceallocfree.go#L16: 	traceAllocFreeTypesBatch = iota // Contains types. [{id, address, size, ptrspan, name length, name string} ...]
		tracetype.go#L62: 		w.byte(byte(traceAllocFreeTypesBatch))

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