Frugality
v0.1.0

View Source Frugality.Generator behaviour (Frugality v0.1.0)

A behaviour for producing HTTP document metadata.

Defines two callbacks - Frugality.Generator.etag/1 and Frugality.Generator.last_modified/1.

Request preconditions are evaluated agains at least one of two pieces of metadata - an entity-tag and a last-modified timestamp.

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Types

datetime()
etag()
t()

Callbacks

etag(map)
last_modified(map)

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datetime()

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@type datetime() :: DateTime.t() | NaiveDateTime.t()
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etag()

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@type etag() ::
  {:weak | :strong, binary()}
  | {:source, iolist()}
  | {:source, iolist(), Access.t()}
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t()

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@type t() :: module()

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etag(map)

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@callback etag(map()) :: etag() | nil
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last_modified(map)

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@callback last_modified(map()) :: datetime() | nil