1 import std.array; 2 import rx.subject; 3 4 auto pub = new SubjectObject!int; 5 auto sub = appender!(int[]); 6 7 auto d = pub.take(2).subscribe(sub); 8 foreach (i; 0 .. 10) 9 { 10 pub.put(i); 11 } 12 13 import std.algorithm; 14 15 assert(equal(sub.data, [0, 1]));
Creates a sub-observable consisting of only up to the first n elements of the given source.