// FuncHasQuery returns the offset of the string parameter named "query", or
// none if no such parameter exists.
func FuncHasQuery(s *types.Signature) (offset int, ok bool) {
params := s.Params()
for i := 0; i < params.Len(); i++ {
v := params.At(i)
if v.Name() == "query" && v.Type() == stringType {
return i, true
}
}
return 0, false
}
// writeSignature writes to buf the signature sig in declaration syntax.
func writeSignature(buf *bytes.Buffer, from *types.Package, name string, sig *types.Signature, params []*Parameter) {
buf.WriteString("func ")
if recv := sig.Recv(); recv != nil {
buf.WriteString("(")
if n := params[0].Name(); n != "" {
buf.WriteString(n)
buf.WriteString(" ")
}
types.WriteType(buf, params[0].Type(), types.RelativeTo(from))
buf.WriteString(") ")
}
buf.WriteString(name)
types.WriteSignature(buf, sig, types.RelativeTo(from))
}
func changeRecv(s *types.Signature, recv *types.Var) *types.Signature {
return types.NewSignature(recv, s.Params(), s.Results(), s.Variadic())
}
