nl_tokens: ===
pl_tokens: function nano_time ( start ) { let t = conv ( process . hrtime ( ) ) - conv ( start ) ; // ns t = Math . <mask> ( t / 1000 ) ; // µs return t / 1000 ; // ms [3 dec] // ==== function conv ( t ) { if ( ! t || typeof t [ 0 ] === 'undefined' ) return 0 ; return t [ 0 ] * 1e9 + t [ 1 ] ; } }