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23 lines
467 B
Go
23 lines
467 B
Go
package vals
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// Booler wraps the Bool method.
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type Booler interface {
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// Bool computes the truth value of the receiver.
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Bool() bool
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}
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// Bool converts a value to bool. It is implemented for nil, the builtin bool
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// type, and types implementing the Booler interface. For all other values, it
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// returns true.
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func Bool(v interface{}) bool {
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switch v := v.(type) {
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case nil:
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return false
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case bool:
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return v
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case Booler:
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return v.Bool()
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}
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return true
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}
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