pull flat merge

A transform that takes a stream of streams and emits their values, in the order they arrive. This is in contrast to .flatten, which keeps the original order.

example

join:

``js
var test = require('tape')
var S = require('pull-stream')
var join = require('pull-flat-merge')

test('flat merge', function (t) {
t.plan(2)
var ss = S.values([
S.values([1,2,3]),
S.values(['a', 'b', 'c'])
])

S(
ss,
join(),
S.collect(function (err, evs) {
t.error(err)
t.deepEqual(evs, [1,'a',2,'b',3,'c'], 'should emit the events')
})
)
})
`

chain:

`js
// this is equivalent to map followed by join
var S = require('pull-stream')
var chain = require('pull-flat-merge/chain')

S(
S.values([1,2,3]),
chain(function (n) {
return S.once(n)
}),
S.log()
)
``