Packages
localize
0.9.0
1.0.0-rc.4
1.0.0-rc.3
1.0.0-rc.2
1.0.0-rc.1
1.0.0-rc.0
0.50.0
0.49.0
0.48.0
0.47.0
0.46.0
0.45.0
0.44.0
0.41.3
0.41.2
0.41.1
0.41.0
0.40.0
0.39.0
0.38.0
0.37.0
0.36.0
0.35.0
0.34.0
0.33.0
0.32.0
0.31.0
0.30.1
0.30.0
retired
0.29.0
0.28.0
0.27.0
0.26.0
0.25.0
0.24.0
0.23.0
0.22.0
0.21.0
0.20.0
0.19.0
0.18.0
0.16.0
0.15.0
0.14.0
0.13.0
0.12.0
0.11.0
0.10.0
0.9.0
0.8.0
0.7.0
0.6.0
0.5.0
0.4.0
0.3.0
0.2.0
0.1.0
0.1.0-alpha.1
Localization (parsing, formatting) of numbers, dates/time/calendar, units of measure, messages and lists. Includes localized collation.
Current section
Files
Jump to
Current section
Files
lib/localize/macros.ex
defmodule Localize.Macros do
@moduledoc false
@doc """
Guard macro that checks if a value is `nil` or `false`.
"""
defmacro is_false(value) do
quote do
is_nil(unquote(value)) or unquote(value) == false
end
end
@doc """
Sets the `@doc since:` attribute for a function.
"""
defmacro doc_since(version) do
quote do
@doc since: unquote(version)
end
end
@doc """
Sets `@impl true` for a callback implementation.
"""
defmacro calendar_impl do
quote do
@impl true
end
end
@doc """
Logs a warning message only once per key per module.
Uses `:persistent_term` to track whether the message
has already been logged. Subsequent calls with the same
key from the same module are silently ignored.
"""
defmacro warn_once(key, message, level \\ :warning) do
caller = __CALLER__.module
quote do
require Logger
if Localize.Utils.Helpers.get_term({unquote(caller), unquote(key)}, true) do
Logger.unquote(level)(unquote(message))
Localize.Utils.Helpers.put_term({unquote(caller), unquote(key)}, nil)
end
end
end
end