View Source Strukt.Validator behaviour (Strukt v0.3.2)
This module defines the behaviour for validator modules which can be used in validation pipelines over Strukt-defined structs.
Link to this section Summary
Callbacks
This is called during validation to generate the options provided
to validate/2. The input is whatever was given as the second argument
to Strukt.validation/2, and any term is allowed to be returned. The
return value will be passed as-is to the validate/2 callback.
Called during validation.
Link to this section Types
@type opts() :: any()
Link to this section Callbacks
This is called during validation to generate the options provided
to validate/2. The input is whatever was given as the second argument
to Strukt.validation/2, and any term is allowed to be returned. The
return value will be passed as-is to the validate/2 callback.
@callback validate(Ecto.Changeset.t(), opts()) :: Ecto.Changeset.t()
Called during validation.
The implementation is allowed to mutate the changeset as desired, but must return a new changeset regardless of whether the changeset it received was valid or not, but with relevant errors added.