JanetDocsI'm feeling luckyGithub sign in

update



    function
    boot.janet on line 1326, column 1

    (update ds key func & args)
    
    Accepts a key argument and passes its associated value to a function.
    The key is the re-associated to the function's return value. Returns
    the updated data structure ds.


1 exampleSign in to add an example
Loading...
(update @[3 4 5] 1 dec)  # => @[3 3 5]
(update (update @[3 4 5] 1 dec) 2 inc)  # => @[3 3 6]
cellularmitosis