keys

keys(collection)

Return an iterator over all keys in a collection. collect(keys(d)) returns an array of keys.

Examples

julia> dict = {"A"=>1, "B"=>2, "C"=>3, "D"=>4};

julia> foo = keys(dict);

julia> for key in foo
        println(string(key,".."));
    end;
B..
A..
C..
D..
julia> dict = Dict(["one"=> 1, "two"=> 2, "three"=> 3])
       keys(dict)
KeyIterator for a Dict{ASCIIString,Int64} with 3 entries. Keys:
  "two"
  "one"
  "three"

See Also

append!, delete!, deleteat!, empty!, endof, filter, filter!, gc, get!, getkey, haskey, insert!, isempty, keys, map, map!, merge, merge!, pop!, prepend!, push!, reduce, resize!, shift!, splice!, unshift!, values,

User Contributed Notes

Add a Note

The format of note supported is markdown, use triple backtick to start and end a code block.

*Required Field
Details

Checking you are not a robot: