lib/primitive.js
function where (expr, operator) {
    if (this.typecheck) t.typecheck('where', [expr, operator]);
    if ('string'===typeof expr) return 'where '+expr;
    return 'where ' + expr.join(' '+(operator||'and')+' ');
}
function where (expr, operator) {
    if (this.typecheck) t.typecheck('where', [expr, operator]);
    if ('string'===typeof expr) return 'where '+expr;
    return 'where ' + expr.join(' '+(operator||'and')+' ');
}
function where ( expr , operator ) { if ( this . typecheck ) t . typecheck ( 'where' , [ expr , operator ] ) ; if ( 'string' === typeof expr ) return 'where ' + expr ; return 'where ' + expr . join ( ' ' + ( operator || 'and' ) + ' ' ) ; }
where expr1 and expr2 ...
where expr1 and expr2 ...