focus

0.2.1

A functional optics library. Create and compose lenses to view, set, and modify data inside arbitrarily nested maps, lists, and tuples.

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lib/user.ex

defmodule User do
  defstruct [:name, :age]
end

defmodule Cat do
  defstruct [:name, :age]
end

Type any of these into the search box. They can be combined with free text which searches package names and descriptions.

Operator	Description	Example
name:	Match package name. Supports * wildcards and repo/package form	name:phx* or name:hexpm/phoenix
description:	Full-text search of package descriptions	description:auth
depends:	Packages depending on a given package. Supports repo:package form	depends:ecto or depends:hexpm:ecto
build_tool:	Filter by build tool	build_tool:mix
updated_after:	Packages updated after an ISO8601 datetime	updated_after:2025-01-01T00:00:00Z
extra:	Match custom metadata (key,value). Nested keys are separated by commas	extra:license,MIT

Wrap values in double quotes to include spaces, e.g. name:"my package".