Charles Justin Reusnow Insulince

## ternary.go
package main

import (
    "fmt"
)

func main() () {
    predicate := true
    fmt.Println(map[bool]string{true:  "a", false: "b"}[predicate])
}

## nested-ternary.go
package main

import (
	"fmt"
)

func main() () {
	for num := 0; num < 16; num++ {
		fmt.Println(num, map[bool]string{
			true: map[bool]string{

## Meta Type Narrowing.md

      
        
          
            
              
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                Insulince
                / Meta Type Narrowing.md
            
            
              Last active
              March 8, 2019 17:30
            
              
                Type narrowing an object based on the presence (or lack thereof) of the very type narrowing function itself on that object.
              
          
        
      
        
  
      
    Meta Type Narrowing

class Model {
  static isModel(object: any): object is Model { // `object` is an instance of `Model` class, if...
    return !!object && // It is truthy AND...
      !!object.__proto__.constructor.isModel && // It contains a static property with the same name as this function AND...
      typeof object.__proto__.constructor.isModel === "function"; // That static property is a function.
  }
}
	package main

	import (
	"fmt"
	)

	func main() () {
	predicate := true
	fmt.Println(map[bool]string{true: "a", false: "b"}[predicate])
	}