focus v0.4.0

Focusable protocol (focus v0.4.0)

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Types

t()

Functions

over(optic, structure, f)

Modify the data that an optic focuses on.

set(optic, structure, value)

Set the data that an optic focuses on.

view(optic, structure)

View the data that an optic focuses on.

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t()

Specs

t() :: term()

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over(optic, structure, f)

Modify the data that an optic focuses on.

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set(optic, structure, value)

Set the data that an optic focuses on.

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view(optic, structure)

View the data that an optic focuses on.