nl_tokens: Insertion sort an array .
pl_tokens: <mask> insertionSort ( a , l , h , c ) { for ( let i = l + 1 ; i <= h ; i ++ ) { const x = a [ i ] ; let j = i - 1 ; while ( j >= 0 && c ( a [ j ] , x ) > 0 ) { a [ j + 1 ] = a [ j ] ; j -- ; } a [ j + 1 ] = x ; } }