%goflags -cover

%goflags

// Clear %goflags
%goflags ""

%goflags -cover

%env GOCOVERDIR /tmp/gonb_examples_test_goflags_cover
!mkdir -p $GOCOVERDIR ; rm -f ${GOCOVERDIR}/*

func A() {
    fmt.Println("A")
}

func B() {
    fmt.Println("B")
}

%%
A()

!go tool covdata func -i "${GOCOVERDIR}"

%reset

type Point struct{ X, Y float64}

func (p *Point) ManhattanLen() float64 {
    return p.X + p.Y
}

%%
p := Point{3,4}
fmt.Println(p.ManhattanLen())

!*go build -gcflags=-m