31 lines
416 B
Go
31 lines
416 B
Go
package opt_test
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import (
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"fmt"
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"go.jolheiser.com/opt"
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)
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func ExampleApply() {
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f := &Foo{
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Bar: "default",
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}
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opt.Apply(f, WithBar("override"))
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fmt.Println(f.Bar)
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// Output:
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// override
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}
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func ExampleApplyError() {
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f := &Foo{
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Bar: "default",
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}
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err := opt.ApplyError(f, WithBarErr("uh oh!")) // WithBarErr always returns errors.New(b)
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if err != nil {
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fmt.Println(err)
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}
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// Output:
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// uh oh!
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}
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