ml
26 lines
487 B
Go
26 lines
487 B
Go
package undoable
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import (
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"github.com/inkyblackness/hacked/ss1/world"
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)
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type command struct {
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forward func(world.Modder)
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reverse func(world.Modder)
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restore func()
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}
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func (c command) Do(modder world.Modder) error {
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return c.perform(modder, c.forward)
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}
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func (c command) Undo(modder world.Modder) error {
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return c.perform(modder, c.reverse)
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}
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func (c command) perform(modder world.Modder, callback func(setter world.Modder)) error {
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callback(modder)
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c.restore()
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return nil
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}
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