An Elixir macro for easily piping arguments at any position.

import PipeHere

The pipe_here macro lets you specify the argument position while piping values by using the _ placeholder.

For example:

pipe_here( 2 |> x(1, _, 3) )
# expands to
x(1, 2, 3)

The pipe_here macro can also be used at the end of a pipe:

2 |> x(1, _, 3) |> pipe_here

Note that while you can do stuff like:

a |> b(1, _) |> c |> d.(2, _, 3) |> pipe_here

every member of the pipe can at most have just one _ placeholder.

Available in Hex, the package can be installed as:

1. Add pipe_here to your list of dependencies in mix.exs:

def deps do
  [{:pipe_here, "~> 1.0.0"}]
end

Yes

[Elixir macros,] The things I do for beautiful code ― George Martin, Game of Thrones

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