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27 lines
581 B
Go
27 lines
581 B
Go
package things
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import (
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"strconv"
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)
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// IdentityProvider specifies an API for generating unique identifiers.
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type IdentityProvider interface {
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// ID generates the unique identifier.
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ID() string
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}
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// FromString extracts an unsigned integer from given string value. Since
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// unsigned integers are used for thing and channel identifiers, malformed
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// extraction will result in ErrNotFound error.
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func FromString(v string) (uint64, error) {
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base := 10
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bitSize := 64
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id, err := strconv.ParseUint(v, base, bitSize)
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if err != nil {
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return 0, ErrNotFound
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}
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return id, nil
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}
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