I understand the capability of python, but that is done through comprehensions that do not relate to the mapping of key to value. In ES6 the syntax comes out to:
``` let tuple = {x:3,y:5} [for (value of map.entries()) if (Object.keys(tuple).every((tupleKey)=>tuple[tupleKey] == value[tupleKey])) value] ``` A quick comparator function for tuple like objects would be more clear than comprehension that does not relate to the mapping of key to value. Notice how the keys of `map` are never used in the comprehension. On Mon, Feb 17, 2014 at 3:35 PM, Benjamin (Inglor) Gruenbaum < ing...@gmail.com> wrote: > Hi, when you reply please reply to the list (that is, include esdiscuss in > the list of recipients) - otherwise I'm the only one who can read your mail. > > As for your question, You might want to look into how maps (or > dictionaries) work in languages like Python where you can have a dictionary > with tuple keys for example which would let me index on `(x,y)` values. > This is of course a very 'simplified' example of what I'm actually doing > (statistical learning). > > > On Mon, Feb 17, 2014 at 11:31 PM, Bradley Meck <bradley.m...@gmail.com>wrote: > >> What you are describing is a Set/Array of data that runs a filter at >> runtime. Could you go into some detail on why a filter on sets/arrays does >> not make sense for your use case? I am unsure what the original mapping of >> key (during .set(key, value)) to value would represent if keys are treated >> as many-many filters rather than 1-1 relationships for Maps in ES6. >> > >
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