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41 lines
694 B
Go
41 lines
694 B
Go
// panic_package.go
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package main
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import (
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"./parse/parse"
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"fmt"
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)
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func main() {
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var examples = []string{
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"1 2 3 4 5",
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"100 50 25 12.5 6.25",
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"2 + 2 = 4",
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"1st class",
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"",
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}
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for _, ex := range examples {
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fmt.Printf("Parsing %q:\n ", ex)
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nums, err := parse.Parse(ex)
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if err != nil {
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fmt.Println(err) // here String() method from ParseError is used
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continue
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}
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fmt.Println(nums)
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}
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}
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/* Output:
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Parsing "1 2 3 4 5":
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[1 2 3 4 5]
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Parsing "100 50 25 12.5 6.25":
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pkg parse: error parsing "12.5" as int
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Parsing "2 + 2 = 4":
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pkg parse: error parsing "+" as int
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Parsing "1st class":
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pkg parse: error parsing "1st" as int
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Parsing "":
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pkg: no words to parse
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*/
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