encodeFloatField function

List<int> encodeFloatField(
  1. List<int> buffer,
  2. int fieldNumber,
  3. double value
)

Encodes a float field (wire type 5) into buffer.

Proto3 rule: if value is 0.0, nothing is written. The IEEE 754 single-precision value is serialized as a field tag followed by 4 little-endian bytes.

Returns the same buffer list, possibly with bytes appended.

Implementation

List<int> encodeFloatField(List<int> buffer, int fieldNumber, double value) {
  if (identical(value, 0.0)) return buffer;
  encodeTag(buffer, fieldNumber, 5);
  buffer.addAll(_encodeFloatBytes(value));
  return buffer;
}