View Source Igniter.Code.List (igniter v0.3.2)

Utilities for working with lists.

Summary

Functions

Appends quoted to the list unless it is already present, determined by equality_pred.

Appends quoted to the list

Finds the index of the first list item that satisfies pred

Returns true if the zipper is at a list literal

Moves to the list item matching the given predicate

Prepends quoted to the list unless it is already present, determined by equality_pred.

Prepends quoted to the list

Removes the item at the given index, returning :error if nothing is at that index

Types

@type equality_pred() :: (Sourceror.Zipper.t(), Macro.t() -> boolean())

Functions

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append_new_to_list(zipper, quoted, equality_pred \\ &Common.nodes_equal?/2)

View Source
@spec append_new_to_list(Sourceror.Zipper.t(), quoted :: Macro.t(), equality_pred()) ::
  {:ok, Sourceror.Zipper.t()} | :error

Appends quoted to the list unless it is already present, determined by equality_pred.

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append_to_list(zipper, quoted)

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@spec append_to_list(Sourceror.Zipper.t(), quoted :: Macro.t()) ::
  {:ok, Sourceror.Zipper.t()} | :error

Appends quoted to the list

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find_list_item_index(zipper, pred)

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@spec find_list_item_index(Sourceror.Zipper.t(), (Macro.t() -> boolean())) ::
  integer() | nil

Finds the index of the first list item that satisfies pred

@spec list?(Sourceror.Zipper.t()) :: boolean()

Returns true if the zipper is at a list literal

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move_to_list_item(zipper, pred)

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@spec move_to_list_item(Sourceror.Zipper.t(), (Macro.t() -> boolean())) ::
  {:ok, Sourceror.Zipper.t()} | :error

Moves to the list item matching the given predicate

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prepend_new_to_list(zipper, quoted, equality_pred \\ &Common.nodes_equal?/2)

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@spec prepend_new_to_list(Sourceror.Zipper.t(), quoted :: Macro.t(), equality_pred()) ::
  {:ok, Sourceror.Zipper.t()} | :error

Prepends quoted to the list unless it is already present, determined by equality_pred.

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prepend_to_list(zipper, quoted)

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@spec prepend_to_list(Sourceror.Zipper.t(), quoted :: Macro.t()) ::
  {:ok, Sourceror.Zipper.t()} | :error

Prepends quoted to the list

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remove_from_list(zipper, predicate)

View Source
@spec remove_from_list(
  Sourceror.Zipper.t(),
  predicate :: (Sourceror.Zipper.t() -> boolean())
) ::
  {:ok, Sourceror.Zipper.t()} | :error
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remove_index(zipper, index)

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@spec remove_index(Sourceror.Zipper.t(), index :: non_neg_integer()) ::
  {:ok, Sourceror.Zipper.t()} | :error

Removes the item at the given index, returning :error if nothing is at that index