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[lectures/02-interfaces] Update type switch slide.

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This commit is contained in:
Arseny Balobanov 2021-02-25 15:34:54 +03:00
parent e09f4dc6b8
commit 72f428d81c
1 changed files with 5 additions and 5 deletions
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10
lectures/02-interfaces/lecture.slide
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@ -376,20 +376,20 @@ Check type
* Type switch
func sqlQuote(x interface{}) string {
switch x := x.(type) {
switch v := x.(type) {
case nil:
return "NULL"
case int, uint:
return fmt.Sprintf("%d", x) // x has type interface{} here.
return fmt.Sprintf("%d", v) // v has type interface{} here.
case bool:
if x {
if v {
return "TRUE"
}
return "FALSE"
case string:
return sqlQuoteString(x) // (not shown)
return sqlQuoteString(v) // (not shown)
default:
panic(fmt.Sprintf("unexpected type %T: %v", x, x))
panic(fmt.Sprintf("unexpected type %T: %v", v, v))
}
}