# Extract safe call statements and one plain assignment to a named scalar parameter through the CLI.
exec semedit refactor-extract-callable --file api/emitter.go --symbol increment --in-function Increment --kind function --start-line 12 --end-line 12
stdout 'symbol: increment'
exec semedit refactor-extract-callable --file api/emitter.go --symbol writeMessages --in-function Emit --kind function --start-line 6 --end-line 7
stdout 'symbol: writeMessages'
stdout 'in_function: Emit'
stdout 'diagnostic_status:'
cmp api/emitter.go want/api/emitter.go
exec semedit refactor-extract-callable --file api/value.go --symbol buildValue --in-function Build --kind function --start-line 6 --end-line 7
stdout 'symbol: buildValue'
cmp api/value.go want/api/value.go
! exec semedit refactor-extract-callable --file api/unsafe.go --symbol extracted --in-function AddressTaken --kind function --start-line 5 --end-line 5
stderr 'address-taken values'
cmp api/unsafe.go original/api/unsafe.go
! exec semedit refactor-extract-callable --file api/unsafe.go --symbol extracted --in-function Captured --kind function --start-line 11 --end-line 11
stderr 'closure-captured values'
cmp api/unsafe.go original/api/unsafe.go
! exec semedit refactor-extract-callable --file api/unsafe.go --symbol extracted --in-function Recover --kind function --start-line 16 --end-line 16
stderr 'direct recover\(\) calls'
cmp api/unsafe.go original/api/unsafe.go
! exec semedit refactor-extract-callable --file api/unsafe.go --symbol extracted --in-function ValueCall --kind function --start-line 24 --end-line 24
stderr 'implicit pointer-receiver calls'
cmp api/unsafe.go original/api/unsafe.go
! exec semedit refactor-extract-callable --file api/unsafe.go --symbol extracted --in-function OutputAddress --kind function --start-line 28 --end-line 29
stderr 'address-taken values in the owner'
cmp api/unsafe.go original/api/unsafe.go
exec go test ./api

-- api/value.go --
package api

import "fmt"

func Build() {
	result := 42
	fmt.Println("during", result)
	fmt.Println("after", result)
}

-- want/api/value.go --
package api

import "fmt"

func Build() {
	result := buildValue()
	fmt.Println("after", result)
}

func buildValue() int {
	result := 42
	fmt.Println("during", result)
	return result
}
-- go.mod --
module example.com/extract

go 1.23

-- api/emitter.go --
package api

import "fmt"

func Emit(prefix string, count int) {
	fmt.Println(prefix)
	fmt.Printf("%d", count)
	fmt.Println("after")
}

func Increment(value int) {
	value = value + 1
	println(value)
}

-- original/api/emitter.go --
package api

import "fmt"

func Emit(prefix string, count int) {
	fmt.Println(prefix)
	fmt.Printf("%d", count)
	fmt.Println("after")
}

func Increment(value int) {
	value = value + 1
	println(value)
}

-- api/unsafe.go --
package api

func AddressTaken(value int) {
	ptr := &value
	println(value)
	_ = ptr
}

func Captured(value int) {
	use := func() { println(value) }
	println(value)
	_ = use
}

func Recover() {
	recover()
}

type Box struct{}

func (b *Box) Touch() {}

func ValueCall(b Box) {
	b.Touch()
}

func OutputAddress() {
	result := 42
	println(&result)
	println(result)
}

-- original/api/unsafe.go --
package api

func AddressTaken(value int) {
	ptr := &value
	println(value)
	_ = ptr
}

func Captured(value int) {
	use := func() { println(value) }
	println(value)
	_ = use
}

func Recover() {
	recover()
}

type Box struct{}

func (b *Box) Touch() {}

func ValueCall(b Box) {
	b.Touch()
}

func OutputAddress() {
	result := 42
	println(&result)
	println(result)
}

-- want/api/emitter.go --
package api

import "fmt"

func Emit(prefix string, count int) {
	writeMessages(prefix, count)
	fmt.Println("after")
}

func writeMessages(prefix string, count int) {
	fmt.Println(prefix)
	fmt.Printf("%d", count)
}

func Increment(value int) {
	value = increment(value)
	println(value)
}

func increment(value int) int {
	value = value + 1
	return value
}