Merge 5615da920f into 77f3c6a43d

README.md

@@ -10,7 +10,7 @@ pairing with smart people at Hashrocket.
 
 For a steady stream of TILs, [sign up for my newsletter](https://crafty-builder-6996.ck.page/e169c61186).
 
-_1532 TILs and counting..._
+_1531 TILs and counting..._
 
 ---
 
@@ -398,7 +398,6 @@ _1532 TILs and counting..._
 ### Go
 
 - [Access Go Docs Offline](go/access-go-docs-offline.md)
-- [Add A Method To A Struct](go/add-a-method-to-a-struct.md)
 - [Build For A Specific OS And Architecture](go/build-for-a-specific-os-and-architecture.md)
 - [Combine Two Slices](go/combine-two-slices.md)
 - [Do Something N Times](go/do-something-n-times.md)

go/add-a-method-to-a-struct.md

@@ -1,70 +0,0 @@
-# Add A Method To A Struct
-
-Given a `struct` in Go, we can attach a method to that struct. Put another way,
-we can define a method whose receiver is that struct. Then with an instance of
-that struct, we can call the method.
-
-Let's say we are modeling a turtle that can move around a 2D grid. A turtle has
-a heading (the direction it is headed) and a location (its current X,Y
-coordinate).
-
-```go
-type Heading string
-
-const (
-	UP    Heading = "UP"
-	RIGHT Heading = "RIGHT"
-	DOWN  Heading = "DOWN"
-	LEFT  Heading = "LEFT"
-)
-
-type Turtle struct {
-	Direction Heading
-	X         int
-	Y         int
-}
-```
-
-We can then add a method like so by specifying the receiver as the first part
-of the declaration:
-
-```go
-func (turtle *Turtle) TurnRight() {
-	switch turtle.Direction {
-	case UP:
-		turtle.Direction = RIGHT
-	case RIGHT:
-		turtle.Direction = DOWN
-	case DOWN:
-		turtle.Direction = LEFT
-	case LEFT:
-		turtle.Direction = UP
-	}
-}
-```
-
-The receiver is a pointer to a `Turtle`. The method is called `TurnRight`.
-There are no parameters or return values.
-
-Here are a sequence of calls to demonstrate how it works:
-
-```go
-func main() {
-	turtle := Turtle{UP, 5, 5}
-
-	fmt.Println("Turtle Direction:", turtle.Direction)
-	//=> Turtle Direction: UP
-
-	turtle.TurnRight()
-
-	fmt.Println("Turtle Direction:", turtle.Direction)
-	//=> Turtle Direction: RIGHT
-
-	turtle.TurnRight()
-
-	fmt.Println("Turtle Direction:", turtle.Direction)
-	//=> Turtle Direction: DOWN
-}
-```
-
-[source](https://go.dev/tour/methods/1)