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20 lines
440 B
Plaintext
20 lines
440 B
Plaintext
// There is no exception handling.
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// Functions that might produce an error just declare an additional return value of type `Error`.
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// This is the `Error` interface:
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type error interface {
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Error() string
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}
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//
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// A function that might return an error:
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func doStuff() (int, error) {
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}
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//
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func main() {
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result, error := doStuff()
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if (error != nil) {
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// handle error
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} else {
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// all is good, use result
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}
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}
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