macro
boot.janet on line 619 , column 1
(eachp binding x & body )
Loop over each (key , value ) pair in `x` with each pair bound to
`binding` with destructuring support. Returns `nil` .
`x` can be a bytes , indexed , dictionary , fiber , or abstract type
with suitable `get` and `next` methods.
(eachp [k v ] {:a "a val" :b "b val" :c "c val" } (print k " - " v ))
# prints c - c val
# prints a - a val
# prints b - b val