Generics article 3 (#4)

* Generics

* Continue with step 3

* Remove URL from readme

Author: chibicode

.prettierrc

@@ -5,7 +5,7 @@
     {
       "files": "snippets/snippets/**/*.ts",
       "options": {
-        "printWidth": 45
+        "printWidth": 49
       }
     }
   ]

README.md

@@ -1,4 +1,4 @@
-# [TypeScript for Beginner Programmers](https://ts.chibicode.com/)
+# TypeScript for Beginner Programmers
 
 ## License & Credits
 

snippets/snippets/generics/cupt.ts

@@ -9,8 +9,5 @@ function createState() {
     state = x
   }
 
-  return {
-    getState,
-    setState
-  }
+  return { getState, setState }
 }

snippets/snippets/generics/gkgi.ts

@@ -0,0 +1,15 @@
+function createState() {
+  // Change to string
+  let state: string
+
+  function getState() {
+    return state
+  }
+
+  // Accepts a string
+  function setState(x: string) {
+    state = x
+  }
+
+  return { getState, setState }
+}

snippets/snippets/generics/nnyl.ts

@@ -0,0 +1,14 @@
+function createState() {
+  let state: number
+
+  function getState() {
+    return state
+  }
+
+  // setState() expects a number
+  function setState(x: number) {
+    state = x
+  }
+
+  return { getState, setState }
+}

snippets/snippets/generics/osaa.ts

@@ -0,0 +1,20 @@
+function createState() {
+  // Change to string
+  let state: string
+
+  function getState() {
+    return state
+  }
+
+  // Accepts a string
+  function setState(x: string) {
+    state = x
+  }
+
+  return { getState, setState }
+}
+
+const { getState, setState } = createState()
+
+setState('foo')
+console.log(getState())

snippets/snippets/generics/stkh.ts

@@ -0,0 +1,5 @@
+const { getState, setState } = createState()
+
+// What happens if we use a string instead?
+setState('foo')
+console.log(getState())

snippets/snippets/generics/udpv.ts

@@ -9,10 +9,7 @@ function createState() {
     state = x
   }
 
-  return {
-    getState,
-    setState
-  }
+  return { getState, setState }
 }
 
 const { getState, setState } = createState()

snippets/snippets/generics/xeax.ts

@@ -0,0 +1,4 @@
+const { getState, setState } = createState()
+
+setState('foo')
+console.log(getState())

snippets/snippets/generics/zhql.ts

@@ -0,0 +1,18 @@
+function createState() {
+  let state: number
+
+  function getState() {
+    return state
+  }
+
+  function setState(x: number) {
+    state = x
+  }
+
+  return { getState, setState }
+}
+
+const { getState, setState } = createState()
+
+setState('foo')
+console.log(getState())