gistfile1.go

package main

import ("log")

type Test struct {
    v int
}

func (t *Test) SetTo(i int) *Test {
	t.v = i
	return t
}

func (t *Test) GetVal() int {
	return t.v
}

func main() {
	s := &Test{0}
    s.SetTo(1).SetTo(s.GetVal())
    log.Stdoutf(".v = %d", s.v)
	// expected: 1
	//   darwin/386 8g: 0
	//   darwin/amd64 6g: 0
}

gistfile2.txt

$ 6g test-chain.go; 6l test-chain.6
$ ./6.out 
2010/05/24 00:43:17 .v = 0
$ 8g test-chain.go; 8l test-chain.8
$ ./8.out 
2010/05/24 00:44:20 .v = 0

gistfile3.txt

0020 (test-chain.go:20) MOVQ    AX,s+-48(SP)
0021 (test-chain.go:20) MOVQ    AX,(SP)
0022 (test-chain.go:20) CALL    ,*Test·GetVal+0(SB)
0023 (test-chain.go:20) MOVL    8(SP),BX
0024 (test-chain.go:20) MOVL    BX,autotmp_0001+-12(SP)
0025 (test-chain.go:20) MOVL    $1,8(SP)
0026 (test-chain.go:20) MOVQ    s+-48(SP),BX
0027 (test-chain.go:20) MOVQ    BX,(SP)
0028 (test-chain.go:20) CALL    ,*Test·SetTo+0(SB)
0029 (test-chain.go:20) MOVQ    16(SP),BX
0030 (test-chain.go:20) MOVQ    BX,(SP)
0031 (test-chain.go:20) MOVL    autotmp_0001+-12(SP),BX
0032 (test-chain.go:20) MOVL    BX,8(SP)
0033 (test-chain.go:20) CALL    ,*Test·SetTo+0(SB)