Function generate_embedded_triple_id 

pub fn generate_embedded_triple_id(
    subject: u64,
    predicate: u64,
    object: u64,
) -> u64

Generates a Virtual ID for a SPARQL-Star embedded triple <>.

This function serializes the three u64 component IDs into a 24-byte array and hashes them using FNV-1a, then tags the result with TAG_EMBEDDED.

Arguments

• subject - The subject u64 ID
• predicate - The predicate u64 ID
• object - The object u64 ID

Returns

A 64-bit Virtual ID with the TAG_EMBEDDED bit set, suitable for storage in the Subject or Object position of a NQuin.