fc970799a1
Store the interpreter value of the interface object to wrap as a field called IValue, at offset 0 in wrapper structures. Update extract to include IValue field. In typeAssert, detect interface wrapper, and dereference the interpreter value from IValue wrapper field. Fixes #1166.
25 lines
290 B
Go
25 lines
290 B
Go
package main
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import (
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"fmt"
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"io"
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)
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type T []byte
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func (t *T) Write(p []byte) (n int, err error) { *t = append(*t, p...); return len(p), nil }
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func foo(w io.Writer) {
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a := w.(*T)
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fmt.Fprint(a, "test")
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fmt.Printf("%s\n", *a)
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}
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func main() {
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x := T{}
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foo(&x)
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}
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// Output:
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// test
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