3eb2c79fd8
When a nil are used in a func composite literal, the nil type is a `func` not a `*node`. This handles this case. Fixes #1249
34 lines
461 B
Go
34 lines
461 B
Go
package main
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import "fmt"
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type fn func(string, string) bool
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var funcs = map[string]fn{
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"less": cmpLessFn,
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"greater": cmpGreaterFn,
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"none": nil,
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}
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func cmpLessFn(a string, b string) bool {
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return a < b
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}
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func cmpGreaterFn(a string, b string) bool {
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return a > b
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}
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func main() {
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for _, n := range []string{"less", "greater", "none"} {
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f := funcs[n]
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if f == nil {
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continue
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}
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fmt.Println(f("a", "b"))
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}
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}
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// Output:
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// true
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// false
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