bouncer/internal/format/prop.go

50 lines
827 B
Go

package format
type PropHintName string
type PropHintFunc func() (PropHintName, any)
type Prop struct {
name string
label string
hints map[PropHintName]any
}
func (p *Prop) Name() string {
return p.name
}
func (p *Prop) Label() string {
return p.label
}
func NewProp(name, label string, funcs ...PropHintFunc) Prop {
hints := make(map[PropHintName]any)
for _, fn := range funcs {
name, value := fn()
hints[name] = value
}
return Prop{name, label, hints}
}
func WithPropHint(name PropHintName, value any) PropHintFunc {
return func() (PropHintName, any) {
return name, value
}
}
func PropHint[T any](p Prop, name PropHintName, defaultValue T) T {
rawValue, exists := p.hints[name]
if !exists {
return defaultValue
}
value, ok := rawValue.(T)
if !ok {
return defaultValue
}
return value
}