README
¶
option port
The option port is an idiomatic way to introduce optional arguments and default values to your functions using the variadic parameter syntax.
func MyFunctionWithOptions(arg1 string, arg2 int, opts ...Option) {
conf := option.Use[config](opts)
// ...
}
Documentation
¶
Overview ¶
Example ¶
package main
import (
"fmt"
"go.llib.dev/frameless/port/option"
)
type config struct {
Foo int
}
func (c *config) Init() {
c.Foo = 42 // default value for Foo config
}
type Option interface {
option.Option[config]
}
func FooIs(foo int) Option {
return option.Func[config](func(c *config) {
c.Foo = foo
})
}
func FuncWithOptionalConfigurationInput(arg1 string, opts ...Option) string {
conf := option.Use[config](opts)
return fmt.Sprintf("Hello %s. (foo=%d)", arg1, conf.Foo)
}
func main() {
fmt.Println(
FuncWithOptionalConfigurationInput("argument", FooIs(42)),
)
}
Index ¶
Examples ¶
Constants ¶
This section is empty.
Variables ¶
This section is empty.
Functions ¶
Types ¶
Source Files
Click to show internal directories.
Click to hide internal directories.