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31 lines
892 B
Lua

local Observable = require "rx.observable"
local util = require "rx.util"
--- Returns a new Observable that produces values from the original which do not satisfy a
-- predicate.
-- @arg {function} predicate - The predicate used to reject values.
-- @returns {Observable}
function Observable:reject(predicate)
predicate = predicate or util.identity
return Observable.create(function(observer)
local function onNext(...)
util.tryWithObserver(observer, function(...)
if not predicate(...) then
return observer:onNext(...)
end
end, ...)
end
local function onError(e)
return observer:onError(e)
end
local function onCompleted()
return observer:onCompleted()
end
return self:subscribe(onNext, onError, onCompleted)
end)
end