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Make opaque types private #157

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Make opaque types private #157

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9 changes: 3 additions & 6 deletions lib/expo/message.ex
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Original file line number Diff line number Diff line change
Expand Up @@ -42,12 +42,9 @@ defmodule Expo.Message do
"""
@type t :: Singular.t() | Plural.t()

@typedoc """
The key that can be used to identify a message.

See `key/1`.
"""
@opaque key :: Singular.key() | Plural.key()
@typep key ::
{msgctxt :: String.t(), msgid :: String.t()}
| {msgctxt :: String.t(), msgid :: String.t()}

@doc """
Returns a "key" that can be used to identify a message.
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11 changes: 2 additions & 9 deletions lib/expo/message/plural.ex
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Expand Up @@ -19,15 +19,8 @@ defmodule Expo.Message.Plural do
"""
@type block :: :msgid | {:msgstr, non_neg_integer()} | :msgctxt | :msgid_plural

@typedoc """
Metadata for this struct.
"""
@opaque meta :: %{optional(:source_line) => %{block() => non_neg_integer()}}

@typedoc """
The key that identifies this message.
"""
@opaque key :: {msgctxt :: String.t(), msgid :: String.t()}
@typep meta :: %{optional(:source_line) => %{block() => non_neg_integer()}}
@typep key :: {msgctxt :: String.t(), msgid :: String.t()}
Comment on lines +22 to +23
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@whatyouhide whatyouhide Jan 19, 2026

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These were effectively public API. Are we sure w should get rid of them?


@typedoc """
The type for this struct.
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11 changes: 2 additions & 9 deletions lib/expo/message/singular.ex
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Expand Up @@ -18,15 +18,8 @@ defmodule Expo.Message.Singular do
"""
@type block :: :msgid | :msgstr | :msgctxt

@typedoc """
Metadata for this struct.
"""
@opaque meta :: %{optional(:source_line) => %{block() => non_neg_integer()}}

@typedoc """
The key that identifies this message.
"""
@opaque key :: {msgctxt :: String.t(), msgid :: String.t()}
@typep meta :: %{optional(:source_line) => %{block() => non_neg_integer()}}
@typep key :: {msgctxt :: String.t(), msgid :: String.t()}

@typedoc """
The type for this struct.
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18 changes: 6 additions & 12 deletions lib/expo/plural_forms.ex
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Expand Up @@ -25,18 +25,12 @@ defmodule Expo.PluralForms do
plural: plural_ast()
}

@typedoc """
The AST of a plural forms expression.

This is evaluated internally to determine the plural form for a given number
using `index/2`, and is not meant to be inspected directly.
"""
@opaque plural_ast() ::
:n
| integer()
| {:!= | :> | :< | :== | :% | :<= | :>= | :&& | :||, plural_ast(), plural_ast()}
| {:if, plural_ast(), plural_ast(), plural_ast()}
| {:paren, plural_ast()}
@typep plural_ast() ::
:n
| integer()
| {:!= | :> | :< | :== | :% | :<= | :>= | :&& | :||, plural_ast(), plural_ast()}
| {:if, plural_ast(), plural_ast(), plural_ast()}
| {:paren, plural_ast()}

@doc """
Parses a plural forms string into a `t:t/0` struct.
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